Home / 8,198.76-12,301.56-3,005.04

Finding the Fourth Proportional to 8,198.76, 12,301.56 and 3,005.04

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Solution

The fourth proportional to 8,198.76, 12,301.56 and 3,005.04 is: 4,508.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198.76 : 12,301.56 = 3,005.04 : x
  2. Step 2: Convert to fraction form
    8,198.76/12,301.56 = 3,005.04/x
  3. Step 3: Cross multiply
    8,198.76x = 12,301.56 × 3,005.04
  4. Step 4: Simplify right side
    8,198.76x = 36,966,679.86
  5. Step 5: Solve for x
    x = 36,966,679.86/8,198.76
  6. Step 6: Final answer
    x = 4,508.81

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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.