Home / 8,177.39-12,267.90-2,983.25

Finding the Fourth Proportional to 8,177.39, 12,267.90 and 2,983.25

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Solution

The fourth proportional to 8,177.39, 12,267.90 and 2,983.25 is: 4,475.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177.39 : 12,267.90 = 2,983.25 : x
  2. Step 2: Convert to fraction form
    8,177.39/12,267.90 = 2,983.25/x
  3. Step 3: Cross multiply
    8,177.39x = 12,267.90 × 2,983.25
  4. Step 4: Simplify right side
    8,177.39x = 36,598,212.68
  5. Step 5: Solve for x
    x = 36,598,212.68/8,177.39
  6. Step 6: Final answer
    x = 4,475.54

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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.