Home / 11,791.54-17,686.90-3,358.10

Finding the Fourth Proportional to 11,791.54, 17,686.90 and 3,358.10

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Solution

The fourth proportional to 11,791.54, 17,686.90 and 3,358.10 is: 5,037.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,791.54 : 17,686.90 = 3,358.10 : x
  2. Step 2: Convert to fraction form
    11,791.54/17,686.90 = 3,358.10/x
  3. Step 3: Cross multiply
    11,791.54x = 17,686.90 × 3,358.10
  4. Step 4: Simplify right side
    11,791.54x = 59,394,273.67
  5. Step 5: Solve for x
    x = 59,394,273.67/11,791.54
  6. Step 6: Final answer
    x = 5,037.02

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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.