Home / 8,635.35-11,909.82-5,801.85

Finding the Fourth Proportional to 8,635.35, 11,909.82 and 5,801.85

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Solution

The fourth proportional to 8,635.35, 11,909.82 and 5,801.85 is: 8,001.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635.35 : 11,909.82 = 5,801.85 : x
  2. Step 2: Convert to fraction form
    8,635.35/11,909.82 = 5,801.85/x
  3. Step 3: Cross multiply
    8,635.35x = 11,909.82 × 5,801.85
  4. Step 4: Simplify right side
    8,635.35x = 69,098,989.17
  5. Step 5: Solve for x
    x = 69,098,989.17/8,635.35
  6. Step 6: Final answer
    x = 8,001.87

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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.