Home / 11,716.55-16,169.27-6,679.96

Finding the Fourth Proportional to 11,716.55, 16,169.27 and 6,679.96

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Solution

The fourth proportional to 11,716.55, 16,169.27 and 6,679.96 is: 9,218.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,716.55 : 16,169.27 = 6,679.96 : x
  2. Step 2: Convert to fraction form
    11,716.55/16,169.27 = 6,679.96/x
  3. Step 3: Cross multiply
    11,716.55x = 16,169.27 × 6,679.96
  4. Step 4: Simplify right side
    11,716.55x = 108,010,076.83
  5. Step 5: Solve for x
    x = 108,010,076.83/11,716.55
  6. Step 6: Final answer
    x = 9,218.59

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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.