Home / 11,415.26-17,138.28-5,872.52

Finding the Fourth Proportional to 11,415.26, 17,138.28 and 5,872.52

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Solution

The fourth proportional to 11,415.26, 17,138.28 and 5,872.52 is: 8,816.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,415.26 : 17,138.28 = 5,872.52 : x
  2. Step 2: Convert to fraction form
    11,415.26/17,138.28 = 5,872.52/x
  3. Step 3: Cross multiply
    11,415.26x = 17,138.28 × 5,872.52
  4. Step 4: Simplify right side
    11,415.26x = 100,644,892.07
  5. Step 5: Solve for x
    x = 100,644,892.07/11,415.26
  6. Step 6: Final answer
    x = 8,816.70

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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.