Home / 10,517.42-15,775.22-3,853.96

Finding the Fourth Proportional to 10,517.42, 15,775.22 and 3,853.96

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Solution

The fourth proportional to 10,517.42, 15,775.22 and 3,853.96 is: 5,780.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,517.42 : 15,775.22 = 3,853.96 : x
  2. Step 2: Convert to fraction form
    10,517.42/15,775.22 = 3,853.96/x
  3. Step 3: Cross multiply
    10,517.42x = 15,775.22 × 3,853.96
  4. Step 4: Simplify right side
    10,517.42x = 60,797,037.07
  5. Step 5: Solve for x
    x = 60,797,037.07/10,517.42
  6. Step 6: Final answer
    x = 5,780.60

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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.