Home / 8,575.11-12,884.24-5,456.51

Finding the Fourth Proportional to 8,575.11, 12,884.24 and 5,456.51

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Solution

The fourth proportional to 8,575.11, 12,884.24 and 5,456.51 is: 8,198.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,575.11 : 12,884.24 = 5,456.51 : x
  2. Step 2: Convert to fraction form
    8,575.11/12,884.24 = 5,456.51/x
  3. Step 3: Cross multiply
    8,575.11x = 12,884.24 × 5,456.51
  4. Step 4: Simplify right side
    8,575.11x = 70,302,892.70
  5. Step 5: Solve for x
    x = 70,302,892.70/8,575.11
  6. Step 6: Final answer
    x = 8,198.48

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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.