Home / 11,801.45-16,250.85-11,539.52

Finding the Fourth Proportional to 11,801.45, 16,250.85 and 11,539.52

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Solution

The fourth proportional to 11,801.45, 16,250.85 and 11,539.52 is: 15,890.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,801.45 : 16,250.85 = 11,539.52 : x
  2. Step 2: Convert to fraction form
    11,801.45/16,250.85 = 11,539.52/x
  3. Step 3: Cross multiply
    11,801.45x = 16,250.85 × 11,539.52
  4. Step 4: Simplify right side
    11,801.45x = 187,527,008.59
  5. Step 5: Solve for x
    x = 187,527,008.59/11,801.45
  6. Step 6: Final answer
    x = 15,890.17

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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.