Home / 8,375.16-12,565.98-3,993.06

Finding the Fourth Proportional to 8,375.16, 12,565.98 and 3,993.06

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Solution

The fourth proportional to 8,375.16, 12,565.98 and 3,993.06 is: 5,991.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375.16 : 12,565.98 = 3,993.06 : x
  2. Step 2: Convert to fraction form
    8,375.16/12,565.98 = 3,993.06/x
  3. Step 3: Cross multiply
    8,375.16x = 12,565.98 × 3,993.06
  4. Step 4: Simplify right side
    8,375.16x = 50,176,712.10
  5. Step 5: Solve for x
    x = 50,176,712.10/8,375.16
  6. Step 6: Final answer
    x = 5,991.13

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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.