
PROPORCIONES
Authored by Prof. Castillo
Mathematics
11th Grade
Used 18+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Los antecedentes de una proporción están en la relación de 8 a 5 y la suma de los consecuentes es 156. Calcule la diferencia de los términos medios, si los extremos están en la relación de 4 a 3.
46
10
50
48
53
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
En una proporción geométrica, la suma de los términos extremos es 20 y su diferencia 16. ¿Cuál es su media proporcional?
6
2
5
4
3
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
En una proporción geométrica continua, la suma de los términos es 105 y la diferencia de extremos es 63. Halle la razón si es mayor que la unidad.
4
5
6
7
8
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
15 es la media proporcional de "a" y 25; "2a" es la tercera proporcional de 8 y "b". ¿Cuál es la cuarta proporcional de "a"; "b" y 15?
20
21
22
24
35
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Si:
"p" es la tercera diferencial de 28 y 20
"q" es la cuarta proporcional de 16; "p" y 36.
Halla la media proporcional de "p" y "q".
"p" es la tercera diferencial de 28 y 20
"q" es la cuarta proporcional de 16; "p" y 36.
Halla la media proporcional de "p" y "q".
18
17
16
14
12
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Los números A, B y C son entre sí como los números
18; 9 y 12. Sabiendo que la cuarta diferencial de A,
B y C es igual a 15, halle la cuarta proporcional de
A, B y C.
30
20
10
35
60
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Si c es tercera proporcional de a y b, además:
ab+bc+ac=114. Hallar la razón aritmética de a y c.
5
4
3
7
8
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