Home / 11,712.22-17,558.13-5,469.10

Finding the Fourth Proportional to 11,712.22, 17,558.13 and 5,469.10

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Solution

The fourth proportional to 11,712.22, 17,558.13 and 5,469.10 is: 8,198.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,712.22 : 17,558.13 = 5,469.10 : x
  2. Step 2: Convert to fraction form
    11,712.22/17,558.13 = 5,469.10/x
  3. Step 3: Cross multiply
    11,712.22x = 17,558.13 × 5,469.10
  4. Step 4: Simplify right side
    11,712.22x = 96,027,168.78
  5. Step 5: Solve for x
    x = 96,027,168.78/11,712.22
  6. Step 6: Final answer
    x = 8,198.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.