Home / 11,337.10-17,005.65-10,105.90

Finding the Fourth Proportional to 11,337.10, 17,005.65 and 10,105.90

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Solution

The fourth proportional to 11,337.10, 17,005.65 and 10,105.90 is: 15,158.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,337.10 : 17,005.65 = 10,105.90 : x
  2. Step 2: Convert to fraction form
    11,337.10/17,005.65 = 10,105.90/x
  3. Step 3: Cross multiply
    11,337.10x = 17,005.65 × 10,105.90
  4. Step 4: Simplify right side
    11,337.10x = 171,857,398.34
  5. Step 5: Solve for x
    x = 171,857,398.34/11,337.10
  6. Step 6: Final answer
    x = 15,158.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.