Home / 11,291.15-16,939.20-3,794.44

Finding the Fourth Proportional to 11,291.15, 16,939.20 and 3,794.44

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Solution

The fourth proportional to 11,291.15, 16,939.20 and 3,794.44 is: 5,692.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,291.15 : 16,939.20 = 3,794.44 : x
  2. Step 2: Convert to fraction form
    11,291.15/16,939.20 = 3,794.44/x
  3. Step 3: Cross multiply
    11,291.15x = 16,939.20 × 3,794.44
  4. Step 4: Simplify right side
    11,291.15x = 64,274,778.05
  5. Step 5: Solve for x
    x = 64,274,778.05/11,291.15
  6. Step 6: Final answer
    x = 5,692.49

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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.