Home / 11,712.97-16,164.28-6,677.09

Finding the Fourth Proportional to 11,712.97, 16,164.28 and 6,677.09

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Solution

The fourth proportional to 11,712.97, 16,164.28 and 6,677.09 is: 9,214.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,712.97 : 16,164.28 = 6,677.09 : x
  2. Step 2: Convert to fraction form
    11,712.97/16,164.28 = 6,677.09/x
  3. Step 3: Cross multiply
    11,712.97x = 16,164.28 × 6,677.09
  4. Step 4: Simplify right side
    11,712.97x = 107,930,393.85
  5. Step 5: Solve for x
    x = 107,930,393.85/11,712.97
  6. Step 6: Final answer
    x = 9,214.61

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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.