Home / 8,011.76-12,023.28-2,818.04

Finding the Fourth Proportional to 8,011.76, 12,023.28 and 2,818.04

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Solution

The fourth proportional to 8,011.76, 12,023.28 and 2,818.04 is: 4,229.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,011.76 : 12,023.28 = 2,818.04 : x
  2. Step 2: Convert to fraction form
    8,011.76/12,023.28 = 2,818.04/x
  3. Step 3: Cross multiply
    8,011.76x = 12,023.28 × 2,818.04
  4. Step 4: Simplify right side
    8,011.76x = 33,882,083.97
  5. Step 5: Solve for x
    x = 33,882,083.97/8,011.76
  6. Step 6: Final answer
    x = 4,229.04

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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.