Home / 8,857.28-13,285.38-3,663.02

Finding the Fourth Proportional to 8,857.28, 13,285.38 and 3,663.02

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Solution

The fourth proportional to 8,857.28, 13,285.38 and 3,663.02 is: 5,494.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.28 : 13,285.38 = 3,663.02 : x
  2. Step 2: Convert to fraction form
    8,857.28/13,285.38 = 3,663.02/x
  3. Step 3: Cross multiply
    8,857.28x = 13,285.38 × 3,663.02
  4. Step 4: Simplify right side
    8,857.28x = 48,664,612.65
  5. Step 5: Solve for x
    x = 48,664,612.65/8,857.28
  6. Step 6: Final answer
    x = 5,494.31

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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.