Home / 11,500.71-17,252.70-4,103.61

Finding the Fourth Proportional to 11,500.71, 17,252.70 and 4,103.61

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Solution

The fourth proportional to 11,500.71, 17,252.70 and 4,103.61 is: 6,155.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,500.71 : 17,252.70 = 4,103.61 : x
  2. Step 2: Convert to fraction form
    11,500.71/17,252.70 = 4,103.61/x
  3. Step 3: Cross multiply
    11,500.71x = 17,252.70 × 4,103.61
  4. Step 4: Simplify right side
    11,500.71x = 70,798,265.98
  5. Step 5: Solve for x
    x = 70,798,265.98/11,500.71
  6. Step 6: Final answer
    x = 6,155.99

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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.