Home / 8,176.32-12,268.80-3,792.96

Finding the Fourth Proportional to 8,176.32, 12,268.80 and 3,792.96

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Solution

The fourth proportional to 8,176.32, 12,268.80 and 3,792.96 is: 5,691.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.32 : 12,268.80 = 3,792.96 : x
  2. Step 2: Convert to fraction form
    8,176.32/12,268.80 = 3,792.96/x
  3. Step 3: Cross multiply
    8,176.32x = 12,268.80 × 3,792.96
  4. Step 4: Simplify right side
    8,176.32x = 46,535,067.65
  5. Step 5: Solve for x
    x = 46,535,067.65/8,176.32
  6. Step 6: Final answer
    x = 5,691.44

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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.