Home / 10,202.31-15,294.36-4,934.37

Finding the Fourth Proportional to 10,202.31, 15,294.36 and 4,934.37

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Solution

The fourth proportional to 10,202.31, 15,294.36 and 4,934.37 is: 7,397.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,202.31 : 15,294.36 = 4,934.37 : x
  2. Step 2: Convert to fraction form
    10,202.31/15,294.36 = 4,934.37/x
  3. Step 3: Cross multiply
    10,202.31x = 15,294.36 × 4,934.37
  4. Step 4: Simplify right side
    10,202.31x = 75,468,031.15
  5. Step 5: Solve for x
    x = 75,468,031.15/10,202.31
  6. Step 6: Final answer
    x = 7,397.15

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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.