Home / 10,872.71-15,004.39-6,092.66

Finding the Fourth Proportional to 10,872.71, 15,004.39 and 6,092.66

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Solution

The fourth proportional to 10,872.71, 15,004.39 and 6,092.66 is: 8,407.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872.71 : 15,004.39 = 6,092.66 : x
  2. Step 2: Convert to fraction form
    10,872.71/15,004.39 = 6,092.66/x
  3. Step 3: Cross multiply
    10,872.71x = 15,004.39 × 6,092.66
  4. Step 4: Simplify right side
    10,872.71x = 91,416,646.78
  5. Step 5: Solve for x
    x = 91,416,646.78/10,872.71
  6. Step 6: Final answer
    x = 8,407.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.