Home / 11,340.88-17,010.24-3,945.04

Finding the Fourth Proportional to 11,340.88, 17,010.24 and 3,945.04

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Solution

The fourth proportional to 11,340.88, 17,010.24 and 3,945.04 is: 5,917.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,340.88 : 17,010.24 = 3,945.04 : x
  2. Step 2: Convert to fraction form
    11,340.88/17,010.24 = 3,945.04/x
  3. Step 3: Cross multiply
    11,340.88x = 17,010.24 × 3,945.04
  4. Step 4: Simplify right side
    11,340.88x = 67,106,077.21
  5. Step 5: Solve for x
    x = 67,106,077.21/11,340.88
  6. Step 6: Final answer
    x = 5,917.18

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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.