Home / 10,375.92-15,561.36-3,449.52

Finding the Fourth Proportional to 10,375.92, 15,561.36 and 3,449.52

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Solution

The fourth proportional to 10,375.92, 15,561.36 and 3,449.52 is: 5,173.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,375.92 : 15,561.36 = 3,449.52 : x
  2. Step 2: Convert to fraction form
    10,375.92/15,561.36 = 3,449.52/x
  3. Step 3: Cross multiply
    10,375.92x = 15,561.36 × 3,449.52
  4. Step 4: Simplify right side
    10,375.92x = 53,679,222.55
  5. Step 5: Solve for x
    x = 53,679,222.55/10,375.92
  6. Step 6: Final answer
    x = 5,173.44

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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.