Home / 10,818.66-16,221.92-4,061.44

Finding the Fourth Proportional to 10,818.66, 16,221.92 and 4,061.44

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Solution

The fourth proportional to 10,818.66, 16,221.92 and 4,061.44 is: 6,089.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,818.66 : 16,221.92 = 4,061.44 : x
  2. Step 2: Convert to fraction form
    10,818.66/16,221.92 = 4,061.44/x
  3. Step 3: Cross multiply
    10,818.66x = 16,221.92 × 4,061.44
  4. Step 4: Simplify right side
    10,818.66x = 65,884,377.58
  5. Step 5: Solve for x
    x = 65,884,377.58/10,818.66
  6. Step 6: Final answer
    x = 6,089.88

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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.