Home / 11,723.88-16,180.49-6,686.94

Finding the Fourth Proportional to 11,723.88, 16,180.49 and 6,686.94

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Solution

The fourth proportional to 11,723.88, 16,180.49 and 6,686.94 is: 9,228.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,723.88 : 16,180.49 = 6,686.94 : x
  2. Step 2: Convert to fraction form
    11,723.88/16,180.49 = 6,686.94/x
  3. Step 3: Cross multiply
    11,723.88x = 16,180.49 × 6,686.94
  4. Step 4: Simplify right side
    11,723.88x = 108,198,006.25
  5. Step 5: Solve for x
    x = 108,198,006.25/11,723.88
  6. Step 6: Final answer
    x = 9,228.86

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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.