Home / 7,694.07-11,543.05-2,147.41

Finding the Fourth Proportional to 7,694.07, 11,543.05 and 2,147.41

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Solution

The fourth proportional to 7,694.07, 11,543.05 and 2,147.41 is: 3,221.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,694.07 : 11,543.05 = 2,147.41 : x
  2. Step 2: Convert to fraction form
    7,694.07/11,543.05 = 2,147.41/x
  3. Step 3: Cross multiply
    7,694.07x = 11,543.05 × 2,147.41
  4. Step 4: Simplify right side
    7,694.07x = 24,787,592.55
  5. Step 5: Solve for x
    x = 24,787,592.55/7,694.07
  6. Step 6: Final answer
    x = 3,221.65

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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.