Home / 11,608.55-17,412.15-3,289.75

Finding the Fourth Proportional to 11,608.55, 17,412.15 and 3,289.75

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Solution

The fourth proportional to 11,608.55, 17,412.15 and 3,289.75 is: 4,934.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,608.55 : 17,412.15 = 3,289.75 : x
  2. Step 2: Convert to fraction form
    11,608.55/17,412.15 = 3,289.75/x
  3. Step 3: Cross multiply
    11,608.55x = 17,412.15 × 3,289.75
  4. Step 4: Simplify right side
    11,608.55x = 57,281,620.46
  5. Step 5: Solve for x
    x = 57,281,620.46/11,608.55
  6. Step 6: Final answer
    x = 4,934.43

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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.