Home / 11,175.17-16,764.94-3,781.76

Finding the Fourth Proportional to 11,175.17, 16,764.94 and 3,781.76

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Solution

The fourth proportional to 11,175.17, 16,764.94 and 3,781.76 is: 5,673.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,175.17 : 16,764.94 = 3,781.76 : x
  2. Step 2: Convert to fraction form
    11,175.17/16,764.94 = 3,781.76/x
  3. Step 3: Cross multiply
    11,175.17x = 16,764.94 × 3,781.76
  4. Step 4: Simplify right side
    11,175.17x = 63,400,900.40
  5. Step 5: Solve for x
    x = 63,400,900.40/11,175.17
  6. Step 6: Final answer
    x = 5,673.37

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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.