Home / 8,156.13-12,233.91-3,473.78

Finding the Fourth Proportional to 8,156.13, 12,233.91 and 3,473.78

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Solution

The fourth proportional to 8,156.13, 12,233.91 and 3,473.78 is: 5,210.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.13 : 12,233.91 = 3,473.78 : x
  2. Step 2: Convert to fraction form
    8,156.13/12,233.91 = 3,473.78/x
  3. Step 3: Cross multiply
    8,156.13x = 12,233.91 × 3,473.78
  4. Step 4: Simplify right side
    8,156.13x = 42,497,850.71
  5. Step 5: Solve for x
    x = 42,497,850.71/8,156.13
  6. Step 6: Final answer
    x = 5,210.54

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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.