Home / 8,886.52-13,331.19-5,379.11

Finding the Fourth Proportional to 8,886.52, 13,331.19 and 5,379.11

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Solution

The fourth proportional to 8,886.52, 13,331.19 and 5,379.11 is: 8,069.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886.52 : 13,331.19 = 5,379.11 : x
  2. Step 2: Convert to fraction form
    8,886.52/13,331.19 = 5,379.11/x
  3. Step 3: Cross multiply
    8,886.52x = 13,331.19 × 5,379.11
  4. Step 4: Simplify right side
    8,886.52x = 71,709,937.44
  5. Step 5: Solve for x
    x = 71,709,937.44/8,886.52
  6. Step 6: Final answer
    x = 8,069.52

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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.