Home / 11,624.68-16,042.22-6,319.61

Finding the Fourth Proportional to 11,624.68, 16,042.22 and 6,319.61

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Solution

The fourth proportional to 11,624.68, 16,042.22 and 6,319.61 is: 8,721.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,624.68 : 16,042.22 = 6,319.61 : x
  2. Step 2: Convert to fraction form
    11,624.68/16,042.22 = 6,319.61/x
  3. Step 3: Cross multiply
    11,624.68x = 16,042.22 × 6,319.61
  4. Step 4: Simplify right side
    11,624.68x = 101,380,545.98
  5. Step 5: Solve for x
    x = 101,380,545.98/11,624.68
  6. Step 6: Final answer
    x = 8,721.15

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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.