Home / 7,951.31-11,916.66-3,266.02

Finding the Fourth Proportional to 7,951.31, 11,916.66 and 3,266.02

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Solution

The fourth proportional to 7,951.31, 11,916.66 and 3,266.02 is: 4,894.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,951.31 : 11,916.66 = 3,266.02 : x
  2. Step 2: Convert to fraction form
    7,951.31/11,916.66 = 3,266.02/x
  3. Step 3: Cross multiply
    7,951.31x = 11,916.66 × 3,266.02
  4. Step 4: Simplify right side
    7,951.31x = 38,919,990.31
  5. Step 5: Solve for x
    x = 38,919,990.31/7,951.31
  6. Step 6: Final answer
    x = 4,894.79

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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.