Math, asked by mayankkumarmks107, 9 months ago

what is fourth proportion to 3,7 and 9 ?

Answers

Answered by kalyaniprasad8

1

Let the fourth proportional be x.

Now,

3/7 = 9/x

3x = 7 x 9

3x = 63

x = 21

Req number = 21

Answered by manansharma14

1

Answer:

It is 21.

Step-by-step explanation:

3 : 7 :: 9 : x

3x = 7×9

3x = 63

x = 63÷3

x = 21

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