10/13 = 11/28 = 21/11 = 12/11 = K. What is K?

🎲 Try a Random Question  |  Total Questions in Quiz: 33  |  🧠 Study this quiz with Flashcards
This question is part of a full practice quiz:
Business Mathematics Practice Test: Ratio, Proportion And Percentage — practice the complete quiz, review flashcards, or try a random question.


10/13 = 11/28 = 21/11 = 12/11 = K. What is K?