Home / 7,934.90-11,903.56-2,091.96

Finding the Fourth Proportional to 7,934.90, 11,903.56 and 2,091.96

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Solution

The fourth proportional to 7,934.90, 11,903.56 and 2,091.96 is: 3,138.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934.90 : 11,903.56 = 2,091.96 : x
  2. Step 2: Convert to fraction form
    7,934.90/11,903.56 = 2,091.96/x
  3. Step 3: Cross multiply
    7,934.90x = 11,903.56 × 2,091.96
  4. Step 4: Simplify right side
    7,934.90x = 24,901,766.15
  5. Step 5: Solve for x
    x = 24,901,766.15/7,934.90
  6. Step 6: Final answer
    x = 3,138.26

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.