Home / 8,382.08-12,565.76-3,184.48

Finding the Fourth Proportional to 8,382.08, 12,565.76 and 3,184.48

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Solution

The fourth proportional to 8,382.08, 12,565.76 and 3,184.48 is: 4,773.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,382.08 : 12,565.76 = 3,184.48 : x
  2. Step 2: Convert to fraction form
    8,382.08/12,565.76 = 3,184.48/x
  3. Step 3: Cross multiply
    8,382.08x = 12,565.76 × 3,184.48
  4. Step 4: Simplify right side
    8,382.08x = 40,015,411.40
  5. Step 5: Solve for x
    x = 40,015,411.40/8,382.08
  6. Step 6: Final answer
    x = 4,773.92

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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.