Home / 7,964.36-11,948.05-2,627.85

Finding the Fourth Proportional to 7,964.36, 11,948.05 and 2,627.85

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Solution

The fourth proportional to 7,964.36, 11,948.05 and 2,627.85 is: 3,942.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,964.36 : 11,948.05 = 2,627.85 : x
  2. Step 2: Convert to fraction form
    7,964.36/11,948.05 = 2,627.85/x
  3. Step 3: Cross multiply
    7,964.36x = 11,948.05 × 2,627.85
  4. Step 4: Simplify right side
    7,964.36x = 31,397,676.62
  5. Step 5: Solve for x
    x = 31,397,676.62/7,964.36
  6. Step 6: Final answer
    x = 3,942.27

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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.