Home / 8,317.62-12,465.65-3,381.52

Finding the Fourth Proportional to 8,317.62, 12,465.65 and 3,381.52

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Solution

The fourth proportional to 8,317.62, 12,465.65 and 3,381.52 is: 5,067.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.62 : 12,465.65 = 3,381.52 : x
  2. Step 2: Convert to fraction form
    8,317.62/12,465.65 = 3,381.52/x
  3. Step 3: Cross multiply
    8,317.62x = 12,465.65 × 3,381.52
  4. Step 4: Simplify right side
    8,317.62x = 42,152,844.79
  5. Step 5: Solve for x
    x = 42,152,844.79/8,317.62
  6. Step 6: Final answer
    x = 5,067.90

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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.