Home / 7,911.14-11,867.00-2,067.57

Finding the Fourth Proportional to 7,911.14, 11,867.00 and 2,067.57

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Solution

The fourth proportional to 7,911.14, 11,867.00 and 2,067.57 is: 3,101.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,911.14 : 11,867.00 = 2,067.57 : x
  2. Step 2: Convert to fraction form
    7,911.14/11,867.00 = 2,067.57/x
  3. Step 3: Cross multiply
    7,911.14x = 11,867.00 × 2,067.57
  4. Step 4: Simplify right side
    7,911.14x = 24,535,842.85
  5. Step 5: Solve for x
    x = 24,535,842.85/7,911.14
  6. Step 6: Final answer
    x = 3,101.43

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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.