Home / 11,126.05-16,689.10-3,730.53

Finding the Fourth Proportional to 11,126.05, 16,689.10 and 3,730.53

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Solution

The fourth proportional to 11,126.05, 16,689.10 and 3,730.53 is: 5,595.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126.05 : 16,689.10 = 3,730.53 : x
  2. Step 2: Convert to fraction form
    11,126.05/16,689.10 = 3,730.53/x
  3. Step 3: Cross multiply
    11,126.05x = 16,689.10 × 3,730.53
  4. Step 4: Simplify right side
    11,126.05x = 62,259,178.90
  5. Step 5: Solve for x
    x = 62,259,178.90/11,126.05
  6. Step 6: Final answer
    x = 5,595.80

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Similar ratio
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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.