Home / 11,717.29-17,578.50-5,473.90

Finding the Fourth Proportional to 11,717.29, 17,578.50 and 5,473.90

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Solution

The fourth proportional to 11,717.29, 17,578.50 and 5,473.90 is: 8,212.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.29 : 17,578.50 = 5,473.90 : x
  2. Step 2: Convert to fraction form
    11,717.29/17,578.50 = 5,473.90/x
  3. Step 3: Cross multiply
    11,717.29x = 17,578.50 × 5,473.90
  4. Step 4: Simplify right side
    11,717.29x = 96,222,951.15
  5. Step 5: Solve for x
    x = 96,222,951.15/11,717.29
  6. Step 6: Final answer
    x = 8,212.05

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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.