Home / 7,975.75-11,964.47-3,296.11

Finding the Fourth Proportional to 7,975.75, 11,964.47 and 3,296.11

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Solution

The fourth proportional to 7,975.75, 11,964.47 and 3,296.11 is: 4,944.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.75 : 11,964.47 = 3,296.11 : x
  2. Step 2: Convert to fraction form
    7,975.75/11,964.47 = 3,296.11/x
  3. Step 3: Cross multiply
    7,975.75x = 11,964.47 × 3,296.11
  4. Step 4: Simplify right side
    7,975.75x = 39,436,162.82
  5. Step 5: Solve for x
    x = 39,436,162.82/7,975.75
  6. Step 6: Final answer
    x = 4,944.51

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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.