Home / 12,265.44-18,400.88-3,500.43

Finding the Fourth Proportional to 12,265.44, 18,400.88 and 3,500.43

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Solution

The fourth proportional to 12,265.44, 18,400.88 and 3,500.43 is: 5,251.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,265.44 : 18,400.88 = 3,500.43 : x
  2. Step 2: Convert to fraction form
    12,265.44/18,400.88 = 3,500.43/x
  3. Step 3: Cross multiply
    12,265.44x = 18,400.88 × 3,500.43
  4. Step 4: Simplify right side
    12,265.44x = 64,410,992.38
  5. Step 5: Solve for x
    x = 64,410,992.38/12,265.44
  6. Step 6: Final answer
    x = 5,251.42

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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.