Home / 11,225.39-16,839.90-3,432.38

Finding the Fourth Proportional to 11,225.39, 16,839.90 and 3,432.38

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Solution

The fourth proportional to 11,225.39, 16,839.90 and 3,432.38 is: 5,149.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,225.39 : 16,839.90 = 3,432.38 : x
  2. Step 2: Convert to fraction form
    11,225.39/16,839.90 = 3,432.38/x
  3. Step 3: Cross multiply
    11,225.39x = 16,839.90 × 3,432.38
  4. Step 4: Simplify right side
    11,225.39x = 57,800,851.76
  5. Step 5: Solve for x
    x = 57,800,851.76/11,225.39
  6. Step 6: Final answer
    x = 5,149.12

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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.