Home / 10,384.44-15,581.18-5,452.88

Finding the Fourth Proportional to 10,384.44, 15,581.18 and 5,452.88

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Solution

The fourth proportional to 10,384.44, 15,581.18 and 5,452.88 is: 8,181.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,384.44 : 15,581.18 = 5,452.88 : x
  2. Step 2: Convert to fraction form
    10,384.44/15,581.18 = 5,452.88/x
  3. Step 3: Cross multiply
    10,384.44x = 15,581.18 × 5,452.88
  4. Step 4: Simplify right side
    10,384.44x = 84,962,304.80
  5. Step 5: Solve for x
    x = 84,962,304.80/10,384.44
  6. Step 6: Final answer
    x = 8,181.69

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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.