Home / 10,366.52-15,542.50-5,168.76

Finding the Fourth Proportional to 10,366.52, 15,542.50 and 5,168.76

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Solution

The fourth proportional to 10,366.52, 15,542.50 and 5,168.76 is: 7,749.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.52 : 15,542.50 = 5,168.76 : x
  2. Step 2: Convert to fraction form
    10,366.52/15,542.50 = 5,168.76/x
  3. Step 3: Cross multiply
    10,366.52x = 15,542.50 × 5,168.76
  4. Step 4: Simplify right side
    10,366.52x = 80,335,452.30
  5. Step 5: Solve for x
    x = 80,335,452.30/10,366.52
  6. Step 6: Final answer
    x = 7,749.51

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1.5x scale

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.