Question

if x : 12 : : 10 : 30, then find the value of x​

Answer 1

Answer:

x: 12 :: 10:30

Step-by-step explanation:

x/12 =10/30

by cross multiplication

30x= 120

x= 120/30

x=40 answer

Answer 2

Answer:

16

Step-by-step explanation:

product of means is equal to product of extremes

x×30=12×30

30x=480

×=480/30

=16