Home / 7,976.88-11,967.76-4,084.04

Finding the Fourth Proportional to 7,976.88, 11,967.76 and 4,084.04

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Solution

The fourth proportional to 7,976.88, 11,967.76 and 4,084.04 is: 6,127.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.88 : 11,967.76 = 4,084.04 : x
  2. Step 2: Convert to fraction form
    7,976.88/11,967.76 = 4,084.04/x
  3. Step 3: Cross multiply
    7,976.88x = 11,967.76 × 4,084.04
  4. Step 4: Simplify right side
    7,976.88x = 48,876,810.55
  5. Step 5: Solve for x
    x = 48,876,810.55/7,976.88
  6. Step 6: Final answer
    x = 6,127.31

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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.