Home / 10,031.60-15,049.80-4,184.96

Finding the Fourth Proportional to 10,031.60, 15,049.80 and 4,184.96

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Solution

The fourth proportional to 10,031.60, 15,049.80 and 4,184.96 is: 6,278.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,031.60 : 15,049.80 = 4,184.96 : x
  2. Step 2: Convert to fraction form
    10,031.60/15,049.80 = 4,184.96/x
  3. Step 3: Cross multiply
    10,031.60x = 15,049.80 × 4,184.96
  4. Step 4: Simplify right side
    10,031.60x = 62,982,811.01
  5. Step 5: Solve for x
    x = 62,982,811.01/10,031.60
  6. Step 6: Final answer
    x = 6,278.44

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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.