Home / 10,265.05-15,391.15-4,711.26

Finding the Fourth Proportional to 10,265.05, 15,391.15 and 4,711.26

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Solution

The fourth proportional to 10,265.05, 15,391.15 and 4,711.26 is: 7,063.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,265.05 : 15,391.15 = 4,711.26 : x
  2. Step 2: Convert to fraction form
    10,265.05/15,391.15 = 4,711.26/x
  3. Step 3: Cross multiply
    10,265.05x = 15,391.15 × 4,711.26
  4. Step 4: Simplify right side
    10,265.05x = 72,511,755.29
  5. Step 5: Solve for x
    x = 72,511,755.29/10,265.05
  6. Step 6: Final answer
    x = 7,063.95

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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.