Home / 10,452.52-15,679.14-5,255.56

Finding the Fourth Proportional to 10,452.52, 15,679.14 and 5,255.56

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Solution

The fourth proportional to 10,452.52, 15,679.14 and 5,255.56 is: 7,883.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,452.52 : 15,679.14 = 5,255.56 : x
  2. Step 2: Convert to fraction form
    10,452.52/15,679.14 = 5,255.56/x
  3. Step 3: Cross multiply
    10,452.52x = 15,679.14 × 5,255.56
  4. Step 4: Simplify right side
    10,452.52x = 82,402,661.02
  5. Step 5: Solve for x
    x = 82,402,661.02/10,452.52
  6. Step 6: Final answer
    x = 7,883.52

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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.