Home / 11,877.22-17,817.99-4,084.12

Finding the Fourth Proportional to 11,877.22, 17,817.99 and 4,084.12

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Solution

The fourth proportional to 11,877.22, 17,817.99 and 4,084.12 is: 6,126.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,877.22 : 17,817.99 = 4,084.12 : x
  2. Step 2: Convert to fraction form
    11,877.22/17,817.99 = 4,084.12/x
  3. Step 3: Cross multiply
    11,877.22x = 17,817.99 × 4,084.12
  4. Step 4: Simplify right side
    11,877.22x = 72,770,809.32
  5. Step 5: Solve for x
    x = 72,770,809.32/11,877.22
  6. Step 6: Final answer
    x = 6,126.92

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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.