Which ratios are proportional to 6/5

Anything that have multiples of 6 and 5

so, if you were to multiply 6 by 2 and 5 by 2 to get 12:10, that is a ratio proportional to 6:5

So, if you multiply any same number to 6 and 5, the ratio should be proportional

You need other ratios so we can solve it.