Home / 8,093.44-12,131.28-3,161.60

Finding the Fourth Proportional to 8,093.44, 12,131.28 and 3,161.60

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Solution

The fourth proportional to 8,093.44, 12,131.28 and 3,161.60 is: 4,738.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,093.44 : 12,131.28 = 3,161.60 : x
  2. Step 2: Convert to fraction form
    8,093.44/12,131.28 = 3,161.60/x
  3. Step 3: Cross multiply
    8,093.44x = 12,131.28 × 3,161.60
  4. Step 4: Simplify right side
    8,093.44x = 38,354,254.85
  5. Step 5: Solve for x
    x = 38,354,254.85/8,093.44
  6. Step 6: Final answer
    x = 4,738.93

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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.