Home / 11,248.11-16,872.15-3,455.91

Finding the Fourth Proportional to 11,248.11, 16,872.15 and 3,455.91

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Solution

The fourth proportional to 11,248.11, 16,872.15 and 3,455.91 is: 5,183.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,248.11 : 16,872.15 = 3,455.91 : x
  2. Step 2: Convert to fraction form
    11,248.11/16,872.15 = 3,455.91/x
  3. Step 3: Cross multiply
    11,248.11x = 16,872.15 × 3,455.91
  4. Step 4: Simplify right side
    11,248.11x = 58,308,631.91
  5. Step 5: Solve for x
    x = 58,308,631.91/11,248.11
  6. Step 6: Final answer
    x = 5,183.86

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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.