Home / 11,409.08-17,115.23-3,512.25

Finding the Fourth Proportional to 11,409.08, 17,115.23 and 3,512.25

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Solution

The fourth proportional to 11,409.08, 17,115.23 and 3,512.25 is: 5,268.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,409.08 : 17,115.23 = 3,512.25 : x
  2. Step 2: Convert to fraction form
    11,409.08/17,115.23 = 3,512.25/x
  3. Step 3: Cross multiply
    11,409.08x = 17,115.23 × 3,512.25
  4. Step 4: Simplify right side
    11,409.08x = 60,112,932.56
  5. Step 5: Solve for x
    x = 60,112,932.56/11,409.08
  6. Step 6: Final answer
    x = 5,268.87

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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.