Home / 11,610.60-17,428.18-7,231.13

Finding the Fourth Proportional to 11,610.60, 17,428.18 and 7,231.13

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Solution

The fourth proportional to 11,610.60, 17,428.18 and 7,231.13 is: 10,854.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,610.60 : 17,428.18 = 7,231.13 : x
  2. Step 2: Convert to fraction form
    11,610.60/17,428.18 = 7,231.13/x
  3. Step 3: Cross multiply
    11,610.60x = 17,428.18 × 7,231.13
  4. Step 4: Simplify right side
    11,610.60x = 126,025,435.24
  5. Step 5: Solve for x
    x = 126,025,435.24/11,610.60
  6. Step 6: Final answer
    x = 10,854.34

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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.