Home / 11,248.16-16,872.28-3,456.92

Finding the Fourth Proportional to 11,248.16, 16,872.28 and 3,456.92

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Solution

The fourth proportional to 11,248.16, 16,872.28 and 3,456.92 is: 5,185.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,248.16 : 16,872.28 = 3,456.92 : x
  2. Step 2: Convert to fraction form
    11,248.16/16,872.28 = 3,456.92/x
  3. Step 3: Cross multiply
    11,248.16x = 16,872.28 × 3,456.92
  4. Step 4: Simplify right side
    11,248.16x = 58,326,122.18
  5. Step 5: Solve for x
    x = 58,326,122.18/11,248.16
  6. Step 6: Final answer
    x = 5,185.39

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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.