Home / 8,519.53-11,753.67-6,286.73

Finding the Fourth Proportional to 8,519.53, 11,753.67 and 6,286.73

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Solution

The fourth proportional to 8,519.53, 11,753.67 and 6,286.73 is: 8,673.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519.53 : 11,753.67 = 6,286.73 : x
  2. Step 2: Convert to fraction form
    8,519.53/11,753.67 = 6,286.73/x
  3. Step 3: Cross multiply
    8,519.53x = 11,753.67 × 6,286.73
  4. Step 4: Simplify right side
    8,519.53x = 73,892,149.80
  5. Step 5: Solve for x
    x = 73,892,149.80/8,519.53
  6. Step 6: Final answer
    x = 8,673.27

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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.