Home / 10,255.59-15,367.73-5,326.83

Finding the Fourth Proportional to 10,255.59, 15,367.73 and 5,326.83

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Solution

The fourth proportional to 10,255.59, 15,367.73 and 5,326.83 is: 7,982.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255.59 : 15,367.73 = 5,326.83 : x
  2. Step 2: Convert to fraction form
    10,255.59/15,367.73 = 5,326.83/x
  3. Step 3: Cross multiply
    10,255.59x = 15,367.73 × 5,326.83
  4. Step 4: Simplify right side
    10,255.59x = 81,861,258.56
  5. Step 5: Solve for x
    x = 81,861,258.56/10,255.59
  6. Step 6: Final answer
    x = 7,982.11

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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.