Home / 11,691.14-16,132.37-6,655.37

Finding the Fourth Proportional to 11,691.14, 16,132.37 and 6,655.37

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Solution

The fourth proportional to 11,691.14, 16,132.37 and 6,655.37 is: 9,183.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,691.14 : 16,132.37 = 6,655.37 : x
  2. Step 2: Convert to fraction form
    11,691.14/16,132.37 = 6,655.37/x
  3. Step 3: Cross multiply
    11,691.14x = 16,132.37 × 6,655.37
  4. Step 4: Simplify right side
    11,691.14x = 107,366,777.39
  5. Step 5: Solve for x
    x = 107,366,777.39/11,691.14
  6. Step 6: Final answer
    x = 9,183.61

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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.