Question

Direct proprtion
a. solve these
a) 6 : 9 :: x : 12
b) 5 : 25 :: 6 : x

find the value of X answer me step by step ​

Answer 1

a) 6*12=9*x
x=6*12/9
x=8

b) 25*6=5*x
x=25*6/5
x=30

Answer 2

${\huge{\red{\boxed{\green{\boxed{\blue{\boxed{\orange{\boxed{\pink{\boxed{\mathcal\purple{S∅LŪTĪ∅Ñ}}}}}}}}}}}}}$

(a) 6:9 :: 6:x

=> 6:9 = 6:x

=> 6x = 54

=> x = 54/6

=> x = 9 .

$\bold{\boxed{Answer \: 9}}$

___________________________________

(b) 5 : 25 :: 6 : x

=> 5 : 25 = 6 : x

=> 5x = 150

=> x = 150/5

=> x = 30

$\bold{\boxed{Answer \: 30}}$