Home / 11,168.97-16,754.27-3,378.39

Finding the Fourth Proportional to 11,168.97, 16,754.27 and 3,378.39

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Solution

The fourth proportional to 11,168.97, 16,754.27 and 3,378.39 is: 5,067.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,168.97 : 16,754.27 = 3,378.39 : x
  2. Step 2: Convert to fraction form
    11,168.97/16,754.27 = 3,378.39/x
  3. Step 3: Cross multiply
    11,168.97x = 16,754.27 × 3,378.39
  4. Step 4: Simplify right side
    11,168.97x = 56,602,441.33
  5. Step 5: Solve for x
    x = 56,602,441.33/11,168.97
  6. Step 6: Final answer
    x = 5,067.83

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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.