Home / 8,463.46-11,680.62-5,108.20

Finding the Fourth Proportional to 8,463.46, 11,680.62 and 5,108.20

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Solution

The fourth proportional to 8,463.46, 11,680.62 and 5,108.20 is: 7,049.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463.46 : 11,680.62 = 5,108.20 : x
  2. Step 2: Convert to fraction form
    8,463.46/11,680.62 = 5,108.20/x
  3. Step 3: Cross multiply
    8,463.46x = 11,680.62 × 5,108.20
  4. Step 4: Simplify right side
    8,463.46x = 59,666,943.08
  5. Step 5: Solve for x
    x = 59,666,943.08/8,463.46
  6. Step 6: Final answer
    x = 7,049.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.