Home / 11,089.92-16,629.30-3,691.74

Finding the Fourth Proportional to 11,089.92, 16,629.30 and 3,691.74

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Solution

The fourth proportional to 11,089.92, 16,629.30 and 3,691.74 is: 5,535.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,089.92 : 16,629.30 = 3,691.74 : x
  2. Step 2: Convert to fraction form
    11,089.92/16,629.30 = 3,691.74/x
  3. Step 3: Cross multiply
    11,089.92x = 16,629.30 × 3,691.74
  4. Step 4: Simplify right side
    11,089.92x = 61,391,051.98
  5. Step 5: Solve for x
    x = 61,391,051.98/11,089.92
  6. Step 6: Final answer
    x = 5,535.75

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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.