Home / 7,408.44-11,117.30-3,850.92

Finding the Fourth Proportional to 7,408.44, 11,117.30 and 3,850.92

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Solution

The fourth proportional to 7,408.44, 11,117.30 and 3,850.92 is: 5,778.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.44 : 11,117.30 = 3,850.92 : x
  2. Step 2: Convert to fraction form
    7,408.44/11,117.30 = 3,850.92/x
  3. Step 3: Cross multiply
    7,408.44x = 11,117.30 × 3,850.92
  4. Step 4: Simplify right side
    7,408.44x = 42,811,813.66
  5. Step 5: Solve for x
    x = 42,811,813.66/7,408.44
  6. Step 6: Final answer
    x = 5,778.79

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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.