Home / 8,093.18-12,144.48-3,412.90

Finding the Fourth Proportional to 8,093.18, 12,144.48 and 3,412.90

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Solution

The fourth proportional to 8,093.18, 12,144.48 and 3,412.90 is: 5,121.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,093.18 : 12,144.48 = 3,412.90 : x
  2. Step 2: Convert to fraction form
    8,093.18/12,144.48 = 3,412.90/x
  3. Step 3: Cross multiply
    8,093.18x = 12,144.48 × 3,412.90
  4. Step 4: Simplify right side
    8,093.18x = 41,447,895.79
  5. Step 5: Solve for x
    x = 41,447,895.79/8,093.18
  6. Step 6: Final answer
    x = 5,121.34

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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.