Home / 7,400.70-11,101.05-5,067.90

Finding the Fourth Proportional to 7,400.70, 11,101.05 and 5,067.90

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Solution

The fourth proportional to 7,400.70, 11,101.05 and 5,067.90 is: 7,601.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.70 : 11,101.05 = 5,067.90 : x
  2. Step 2: Convert to fraction form
    7,400.70/11,101.05 = 5,067.90/x
  3. Step 3: Cross multiply
    7,400.70x = 11,101.05 × 5,067.90
  4. Step 4: Simplify right side
    7,400.70x = 56,259,011.30
  5. Step 5: Solve for x
    x = 56,259,011.30/7,400.70
  6. Step 6: Final answer
    x = 7,601.85

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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.