Home / 8,736.11-13,092.36-4,781.39

Finding the Fourth Proportional to 8,736.11, 13,092.36 and 4,781.39

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Solution

The fourth proportional to 8,736.11, 13,092.36 and 4,781.39 is: 7,165.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736.11 : 13,092.36 = 4,781.39 : x
  2. Step 2: Convert to fraction form
    8,736.11/13,092.36 = 4,781.39/x
  3. Step 3: Cross multiply
    8,736.11x = 13,092.36 × 4,781.39
  4. Step 4: Simplify right side
    8,736.11x = 62,599,613.72
  5. Step 5: Solve for x
    x = 62,599,613.72/8,736.11
  6. Step 6: Final answer
    x = 7,165.62

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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.