Home / 10,167.56-15,245.44-3,145.68

Finding the Fourth Proportional to 10,167.56, 15,245.44 and 3,145.68

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Solution

The fourth proportional to 10,167.56, 15,245.44 and 3,145.68 is: 4,716.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,167.56 : 15,245.44 = 3,145.68 : x
  2. Step 2: Convert to fraction form
    10,167.56/15,245.44 = 3,145.68/x
  3. Step 3: Cross multiply
    10,167.56x = 15,245.44 × 3,145.68
  4. Step 4: Simplify right side
    10,167.56x = 47,957,275.70
  5. Step 5: Solve for x
    x = 47,957,275.70/10,167.56
  6. Step 6: Final answer
    x = 4,716.69

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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.