Home / 11,452.80-17,179.20-3,132.84

Finding the Fourth Proportional to 11,452.80, 17,179.20 and 3,132.84

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Solution

The fourth proportional to 11,452.80, 17,179.20 and 3,132.84 is: 4,699.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,452.80 : 17,179.20 = 3,132.84 : x
  2. Step 2: Convert to fraction form
    11,452.80/17,179.20 = 3,132.84/x
  3. Step 3: Cross multiply
    11,452.80x = 17,179.20 × 3,132.84
  4. Step 4: Simplify right side
    11,452.80x = 53,819,684.93
  5. Step 5: Solve for x
    x = 53,819,684.93/11,452.80
  6. Step 6: Final answer
    x = 4,699.26

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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.