Home / 8,958.62-13,438.24-3,411.14

Finding the Fourth Proportional to 8,958.62, 13,438.24 and 3,411.14

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Solution

The fourth proportional to 8,958.62, 13,438.24 and 3,411.14 is: 5,116.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958.62 : 13,438.24 = 3,411.14 : x
  2. Step 2: Convert to fraction form
    8,958.62/13,438.24 = 3,411.14/x
  3. Step 3: Cross multiply
    8,958.62x = 13,438.24 × 3,411.14
  4. Step 4: Simplify right side
    8,958.62x = 45,839,717.99
  5. Step 5: Solve for x
    x = 45,839,717.99/8,958.62
  6. Step 6: Final answer
    x = 5,116.83

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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.