Home / 11,123.22-16,691.40-4,108.14

Finding the Fourth Proportional to 11,123.22, 16,691.40 and 4,108.14

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Solution

The fourth proportional to 11,123.22, 16,691.40 and 4,108.14 is: 6,164.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,123.22 : 16,691.40 = 4,108.14 : x
  2. Step 2: Convert to fraction form
    11,123.22/16,691.40 = 4,108.14/x
  3. Step 3: Cross multiply
    11,123.22x = 16,691.40 × 4,108.14
  4. Step 4: Simplify right side
    11,123.22x = 68,570,608.00
  5. Step 5: Solve for x
    x = 68,570,608.00/11,123.22
  6. Step 6: Final answer
    x = 6,164.64

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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.