Home / 8,468.12-11,685.99-4,691.29

Finding the Fourth Proportional to 8,468.12, 11,685.99 and 4,691.29

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Solution

The fourth proportional to 8,468.12, 11,685.99 and 4,691.29 is: 6,473.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468.12 : 11,685.99 = 4,691.29 : x
  2. Step 2: Convert to fraction form
    8,468.12/11,685.99 = 4,691.29/x
  3. Step 3: Cross multiply
    8,468.12x = 11,685.99 × 4,691.29
  4. Step 4: Simplify right side
    8,468.12x = 54,822,368.03
  5. Step 5: Solve for x
    x = 54,822,368.03/8,468.12
  6. Step 6: Final answer
    x = 6,473.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.