In Delhi - NCR, out of the total metro card users, 12% live in Noida, 9% live in Ghaziabad, x% live in Gurugram and rest live in Delhi. The ratio of number of male and female metro card users which are residents of Noida is 6 ∶ 5. Find the value of x, if there are 22500 female users of the metro card in Noida and Delhi has 222750 more users than Ghaziabad.