Home / 10,934.55-16,397.78-3,912.66

Finding the Fourth Proportional to 10,934.55, 16,397.78 and 3,912.66

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Solution

The fourth proportional to 10,934.55, 16,397.78 and 3,912.66 is: 5,867.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,934.55 : 16,397.78 = 3,912.66 : x
  2. Step 2: Convert to fraction form
    10,934.55/16,397.78 = 3,912.66/x
  3. Step 3: Cross multiply
    10,934.55x = 16,397.78 × 3,912.66
  4. Step 4: Simplify right side
    10,934.55x = 64,158,918.33
  5. Step 5: Solve for x
    x = 64,158,918.33/10,934.55
  6. Step 6: Final answer
    x = 5,867.54

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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.