Home / 8,316.13-12,470.49-3,049.75

Finding the Fourth Proportional to 8,316.13, 12,470.49 and 3,049.75

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Solution

The fourth proportional to 8,316.13, 12,470.49 and 3,049.75 is: 4,573.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.13 : 12,470.49 = 3,049.75 : x
  2. Step 2: Convert to fraction form
    8,316.13/12,470.49 = 3,049.75/x
  3. Step 3: Cross multiply
    8,316.13x = 12,470.49 × 3,049.75
  4. Step 4: Simplify right side
    8,316.13x = 38,031,876.88
  5. Step 5: Solve for x
    x = 38,031,876.88/8,316.13
  6. Step 6: Final answer
    x = 4,573.27

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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.