Home / 12,091.11-16,687.37-6,786.23

Finding the Fourth Proportional to 12,091.11, 16,687.37 and 6,786.23

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Solution

The fourth proportional to 12,091.11, 16,687.37 and 6,786.23 is: 9,365.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,091.11 : 16,687.37 = 6,786.23 : x
  2. Step 2: Convert to fraction form
    12,091.11/16,687.37 = 6,786.23/x
  3. Step 3: Cross multiply
    12,091.11x = 16,687.37 × 6,786.23
  4. Step 4: Simplify right side
    12,091.11x = 113,244,213.55
  5. Step 5: Solve for x
    x = 113,244,213.55/12,091.11
  6. Step 6: Final answer
    x = 9,365.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.