Home / 11,369.70-15,643.53-11,107.26

Finding the Fourth Proportional to 11,369.70, 15,643.53 and 11,107.26

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Solution

The fourth proportional to 11,369.70, 15,643.53 and 11,107.26 is: 15,282.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,369.70 : 15,643.53 = 11,107.26 : x
  2. Step 2: Convert to fraction form
    11,369.70/15,643.53 = 11,107.26/x
  3. Step 3: Cross multiply
    11,369.70x = 15,643.53 × 11,107.26
  4. Step 4: Simplify right side
    11,369.70x = 173,756,755.03
  5. Step 5: Solve for x
    x = 173,756,755.03/11,369.70
  6. Step 6: Final answer
    x = 15,282.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.