Home / 11,174.75-16,764.28-3,780.41

Finding the Fourth Proportional to 11,174.75, 16,764.28 and 3,780.41

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Solution

The fourth proportional to 11,174.75, 16,764.28 and 3,780.41 is: 5,671.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,174.75 : 16,764.28 = 3,780.41 : x
  2. Step 2: Convert to fraction form
    11,174.75/16,764.28 = 3,780.41/x
  3. Step 3: Cross multiply
    11,174.75x = 16,764.28 × 3,780.41
  4. Step 4: Simplify right side
    11,174.75x = 63,375,789.92
  5. Step 5: Solve for x
    x = 63,375,789.92/11,174.75
  6. Step 6: Final answer
    x = 5,671.34

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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.