Home / 8,169.52-12,244.64-3,488.16

Finding the Fourth Proportional to 8,169.52, 12,244.64 and 3,488.16

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Solution

The fourth proportional to 8,169.52, 12,244.64 and 3,488.16 is: 5,228.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.52 : 12,244.64 = 3,488.16 : x
  2. Step 2: Convert to fraction form
    8,169.52/12,244.64 = 3,488.16/x
  3. Step 3: Cross multiply
    8,169.52x = 12,244.64 × 3,488.16
  4. Step 4: Simplify right side
    8,169.52x = 42,711,263.46
  5. Step 5: Solve for x
    x = 42,711,263.46/8,169.52
  6. Step 6: Final answer
    x = 5,228.12

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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.