Home / 11,542.30-17,315.75-3,646.04

Finding the Fourth Proportional to 11,542.30, 17,315.75 and 3,646.04

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Solution

The fourth proportional to 11,542.30, 17,315.75 and 3,646.04 is: 5,469.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,542.30 : 17,315.75 = 3,646.04 : x
  2. Step 2: Convert to fraction form
    11,542.30/17,315.75 = 3,646.04/x
  3. Step 3: Cross multiply
    11,542.30x = 17,315.75 × 3,646.04
  4. Step 4: Simplify right side
    11,542.30x = 63,133,839.67
  5. Step 5: Solve for x
    x = 63,133,839.67/11,542.30
  6. Step 6: Final answer
    x = 5,469.78

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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.