Question

find mean proportional between 1 by 9 and 4​

Answer 1

Answer:

9

Step-by-step explanation:

1/9:4 = 4:x

1/9/4 = 4/x

1/9×1/4 = 4/x

1/36 = 4/x

x=9

Answer 2

Answer:

9 or 3

Step-by-step explanation:

I don't know which is correct

sorry