Home / 7,584.39-11,367.90-3,418.11

Finding the Fourth Proportional to 7,584.39, 11,367.90 and 3,418.11

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Solution

The fourth proportional to 7,584.39, 11,367.90 and 3,418.11 is: 5,123.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,584.39 : 11,367.90 = 3,418.11 : x
  2. Step 2: Convert to fraction form
    7,584.39/11,367.90 = 3,418.11/x
  3. Step 3: Cross multiply
    7,584.39x = 11,367.90 × 3,418.11
  4. Step 4: Simplify right side
    7,584.39x = 38,856,732.67
  5. Step 5: Solve for x
    x = 38,856,732.67/7,584.39
  6. Step 6: Final answer
    x = 5,123.25

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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.