Home / 11,610.30-17,409.60-5,687.66

Finding the Fourth Proportional to 11,610.30, 17,409.60 and 5,687.66

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Solution

The fourth proportional to 11,610.30, 17,409.60 and 5,687.66 is: 8,528.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,610.30 : 17,409.60 = 5,687.66 : x
  2. Step 2: Convert to fraction form
    11,610.30/17,409.60 = 5,687.66/x
  3. Step 3: Cross multiply
    11,610.30x = 17,409.60 × 5,687.66
  4. Step 4: Simplify right side
    11,610.30x = 99,019,885.54
  5. Step 5: Solve for x
    x = 99,019,885.54/11,610.30
  6. Step 6: Final answer
    x = 8,528.62

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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.