Home / 11,176.76-16,765.24-3,781.26

Finding the Fourth Proportional to 11,176.76, 16,765.24 and 3,781.26

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Solution

The fourth proportional to 11,176.76, 16,765.24 and 3,781.26 is: 5,671.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.76 : 16,765.24 = 3,781.26 : x
  2. Step 2: Convert to fraction form
    11,176.76/16,765.24 = 3,781.26/x
  3. Step 3: Cross multiply
    11,176.76x = 16,765.24 × 3,781.26
  4. Step 4: Simplify right side
    11,176.76x = 63,393,731.40
  5. Step 5: Solve for x
    x = 63,393,731.40/11,176.76
  6. Step 6: Final answer
    x = 5,671.92

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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.