Question

FIND THE VALUE OF x

a) 42 : 12 :: 7: x

b) 9 : x :: x : 16

c) 36, 48, x are in continued proportion

Answer 1

Step-by-step explanation:

42/12=7/x

6/12=1/x

1/2=1/x

x=2

Answer 2

Answer:

2

Step-by-step explanation:

42^7=12^x

x=12^7/42

x=2