Home / 10,178.20-15,262.02-3,251.80

Finding the Fourth Proportional to 10,178.20, 15,262.02 and 3,251.80

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Solution

The fourth proportional to 10,178.20, 15,262.02 and 3,251.80 is: 4,876.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,178.20 : 15,262.02 = 3,251.80 : x
  2. Step 2: Convert to fraction form
    10,178.20/15,262.02 = 3,251.80/x
  3. Step 3: Cross multiply
    10,178.20x = 15,262.02 × 3,251.80
  4. Step 4: Simplify right side
    10,178.20x = 49,629,036.64
  5. Step 5: Solve for x
    x = 49,629,036.64/10,178.20
  6. Step 6: Final answer
    x = 4,876.01

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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.