Home / 11,118.16-16,677.44-3,721.24

Finding the Fourth Proportional to 11,118.16, 16,677.44 and 3,721.24

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Solution

The fourth proportional to 11,118.16, 16,677.44 and 3,721.24 is: 5,581.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118.16 : 16,677.44 = 3,721.24 : x
  2. Step 2: Convert to fraction form
    11,118.16/16,677.44 = 3,721.24/x
  3. Step 3: Cross multiply
    11,118.16x = 16,677.44 × 3,721.24
  4. Step 4: Simplify right side
    11,118.16x = 62,060,654.83
  5. Step 5: Solve for x
    x = 62,060,654.83/11,118.16
  6. Step 6: Final answer
    x = 5,581.92

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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.