Home / 34,780.59-52,174.53-11,411.28

Finding the Fourth Proportional to 34,780.59, 52,174.53 and 11,411.28

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Solution

The fourth proportional to 34,780.59, 52,174.53 and 11,411.28 is: 17,118.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,780.59 : 52,174.53 = 11,411.28 : x
  2. Step 2: Convert to fraction form
    34,780.59/52,174.53 = 11,411.28/x
  3. Step 3: Cross multiply
    34,780.59x = 52,174.53 × 11,411.28
  4. Step 4: Simplify right side
    34,780.59x = 595,378,170.70
  5. Step 5: Solve for x
    x = 595,378,170.70/34,780.59
  6. Step 6: Final answer
    x = 17,118.12

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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.