Home / 10,104.28-15,146.50-4,837.80

Finding the Fourth Proportional to 10,104.28, 15,146.50 and 4,837.80

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Solution

The fourth proportional to 10,104.28, 15,146.50 and 4,837.80 is: 7,251.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,104.28 : 15,146.50 = 4,837.80 : x
  2. Step 2: Convert to fraction form
    10,104.28/15,146.50 = 4,837.80/x
  3. Step 3: Cross multiply
    10,104.28x = 15,146.50 × 4,837.80
  4. Step 4: Simplify right side
    10,104.28x = 73,275,737.70
  5. Step 5: Solve for x
    x = 73,275,737.70/10,104.28
  6. Step 6: Final answer
    x = 7,251.95

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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.