Home / 8,072.14-12,108.28-2,229.06

Finding the Fourth Proportional to 8,072.14, 12,108.28 and 2,229.06

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Solution

The fourth proportional to 8,072.14, 12,108.28 and 2,229.06 is: 3,343.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072.14 : 12,108.28 = 2,229.06 : x
  2. Step 2: Convert to fraction form
    8,072.14/12,108.28 = 2,229.06/x
  3. Step 3: Cross multiply
    8,072.14x = 12,108.28 × 2,229.06
  4. Step 4: Simplify right side
    8,072.14x = 26,990,082.62
  5. Step 5: Solve for x
    x = 26,990,082.62/8,072.14
  6. Step 6: Final answer
    x = 3,343.61

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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.