Home / 11,717.22-16,170.18-6,682.26

Finding the Fourth Proportional to 11,717.22, 16,170.18 and 6,682.26

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Solution

The fourth proportional to 11,717.22, 16,170.18 and 6,682.26 is: 9,221.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.22 : 16,170.18 = 6,682.26 : x
  2. Step 2: Convert to fraction form
    11,717.22/16,170.18 = 6,682.26/x
  3. Step 3: Cross multiply
    11,717.22x = 16,170.18 × 6,682.26
  4. Step 4: Simplify right side
    11,717.22x = 108,053,347.01
  5. Step 5: Solve for x
    x = 108,053,347.01/11,717.22
  6. Step 6: Final answer
    x = 9,221.76

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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.