Home / 10,244.20-15,366.30-5,578.60

Finding the Fourth Proportional to 10,244.20, 15,366.30 and 5,578.60

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Solution

The fourth proportional to 10,244.20, 15,366.30 and 5,578.60 is: 8,367.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,244.20 : 15,366.30 = 5,578.60 : x
  2. Step 2: Convert to fraction form
    10,244.20/15,366.30 = 5,578.60/x
  3. Step 3: Cross multiply
    10,244.20x = 15,366.30 × 5,578.60
  4. Step 4: Simplify right side
    10,244.20x = 85,722,441.18
  5. Step 5: Solve for x
    x = 85,722,441.18/10,244.20
  6. Step 6: Final answer
    x = 8,367.90

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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.