Home / 8,373.88-12,553.62-3,183.48

Finding the Fourth Proportional to 8,373.88, 12,553.62 and 3,183.48

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Solution

The fourth proportional to 8,373.88, 12,553.62 and 3,183.48 is: 4,772.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,373.88 : 12,553.62 = 3,183.48 : x
  2. Step 2: Convert to fraction form
    8,373.88/12,553.62 = 3,183.48/x
  3. Step 3: Cross multiply
    8,373.88x = 12,553.62 × 3,183.48
  4. Step 4: Simplify right side
    8,373.88x = 39,964,198.20
  5. Step 5: Solve for x
    x = 39,964,198.20/8,373.88
  6. Step 6: Final answer
    x = 4,772.48

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1.5x scale

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.