Home / 12,101.27-18,112.84-6,249.83

Finding the Fourth Proportional to 12,101.27, 18,112.84 and 6,249.83

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Solution

The fourth proportional to 12,101.27, 18,112.84 and 6,249.83 is: 9,354.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101.27 : 18,112.84 = 6,249.83 : x
  2. Step 2: Convert to fraction form
    12,101.27/18,112.84 = 6,249.83/x
  3. Step 3: Cross multiply
    12,101.27x = 18,112.84 × 6,249.83
  4. Step 4: Simplify right side
    12,101.27x = 113,202,064.63
  5. Step 5: Solve for x
    x = 113,202,064.63/12,101.27
  6. Step 6: Final answer
    x = 9,354.56

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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.