Home / 8,519.49-11,758.14-5,116.73

Finding the Fourth Proportional to 8,519.49, 11,758.14 and 5,116.73

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Solution

The fourth proportional to 8,519.49, 11,758.14 and 5,116.73 is: 7,061.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519.49 : 11,758.14 = 5,116.73 : x
  2. Step 2: Convert to fraction form
    8,519.49/11,758.14 = 5,116.73/x
  3. Step 3: Cross multiply
    8,519.49x = 11,758.14 × 5,116.73
  4. Step 4: Simplify right side
    8,519.49x = 60,163,227.68
  5. Step 5: Solve for x
    x = 60,163,227.68/8,519.49
  6. Step 6: Final answer
    x = 7,061.83

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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.