Home / 8,350.96-12,523.92-3,155.56

Finding the Fourth Proportional to 8,350.96, 12,523.92 and 3,155.56

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Solution

The fourth proportional to 8,350.96, 12,523.92 and 3,155.56 is: 4,732.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,350.96 : 12,523.92 = 3,155.56 : x
  2. Step 2: Convert to fraction form
    8,350.96/12,523.92 = 3,155.56/x
  3. Step 3: Cross multiply
    8,350.96x = 12,523.92 × 3,155.56
  4. Step 4: Simplify right side
    8,350.96x = 39,519,981.00
  5. Step 5: Solve for x
    x = 39,519,981.00/8,350.96
  6. Step 6: Final answer
    x = 4,732.39

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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.