Home / 8,382.95-12,565.25-3,451.27

Finding the Fourth Proportional to 8,382.95, 12,565.25 and 3,451.27

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Solution

The fourth proportional to 8,382.95, 12,565.25 and 3,451.27 is: 5,173.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,382.95 : 12,565.25 = 3,451.27 : x
  2. Step 2: Convert to fraction form
    8,382.95/12,565.25 = 3,451.27/x
  3. Step 3: Cross multiply
    8,382.95x = 12,565.25 × 3,451.27
  4. Step 4: Simplify right side
    8,382.95x = 43,365,990.28
  5. Step 5: Solve for x
    x = 43,365,990.28/8,382.95
  6. Step 6: Final answer
    x = 5,173.12

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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.