Home / 10,367.44-15,542.64-4,124.78

Finding the Fourth Proportional to 10,367.44, 15,542.64 and 4,124.78

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Solution

The fourth proportional to 10,367.44, 15,542.64 and 4,124.78 is: 6,183.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.44 : 15,542.64 = 4,124.78 : x
  2. Step 2: Convert to fraction form
    10,367.44/15,542.64 = 4,124.78/x
  3. Step 3: Cross multiply
    10,367.44x = 15,542.64 × 4,124.78
  4. Step 4: Simplify right side
    10,367.44x = 64,109,970.62
  5. Step 5: Solve for x
    x = 64,109,970.62/10,367.44
  6. Step 6: Final answer
    x = 6,183.78

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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.