Home / 7,972.90-11,953.39-5,500.66

Finding the Fourth Proportional to 7,972.90, 11,953.39 and 5,500.66

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Solution

The fourth proportional to 7,972.90, 11,953.39 and 5,500.66 is: 8,246.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.90 : 11,953.39 = 5,500.66 : x
  2. Step 2: Convert to fraction form
    7,972.90/11,953.39 = 5,500.66/x
  3. Step 3: Cross multiply
    7,972.90x = 11,953.39 × 5,500.66
  4. Step 4: Simplify right side
    7,972.90x = 65,751,506.73
  5. Step 5: Solve for x
    x = 65,751,506.73/7,972.90
  6. Step 6: Final answer
    x = 8,246.88

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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.