Home / 12,481.67-18,714.18-5,084.13

Finding the Fourth Proportional to 12,481.67, 18,714.18 and 5,084.13

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Solution

The fourth proportional to 12,481.67, 18,714.18 and 5,084.13 is: 7,622.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481.67 : 18,714.18 = 5,084.13 : x
  2. Step 2: Convert to fraction form
    12,481.67/18,714.18 = 5,084.13/x
  3. Step 3: Cross multiply
    12,481.67x = 18,714.18 × 5,084.13
  4. Step 4: Simplify right side
    12,481.67x = 95,145,323.96
  5. Step 5: Solve for x
    x = 95,145,323.96/12,481.67
  6. Step 6: Final answer
    x = 7,622.81

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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.