Home / 7,863.12-11,788.68-5,092.56

Finding the Fourth Proportional to 7,863.12, 11,788.68 and 5,092.56

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Solution

The fourth proportional to 7,863.12, 11,788.68 and 5,092.56 is: 7,634.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863.12 : 11,788.68 = 5,092.56 : x
  2. Step 2: Convert to fraction form
    7,863.12/11,788.68 = 5,092.56/x
  3. Step 3: Cross multiply
    7,863.12x = 11,788.68 × 5,092.56
  4. Step 4: Simplify right side
    7,863.12x = 60,034,560.22
  5. Step 5: Solve for x
    x = 60,034,560.22/7,863.12
  6. Step 6: Final answer
    x = 7,634.95

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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.