Home / 7,663.12-11,493.60-2,732.08

Finding the Fourth Proportional to 7,663.12, 11,493.60 and 2,732.08

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Solution

The fourth proportional to 7,663.12, 11,493.60 and 2,732.08 is: 4,097.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,663.12 : 11,493.60 = 2,732.08 : x
  2. Step 2: Convert to fraction form
    7,663.12/11,493.60 = 2,732.08/x
  3. Step 3: Cross multiply
    7,663.12x = 11,493.60 × 2,732.08
  4. Step 4: Simplify right side
    7,663.12x = 31,401,434.69
  5. Step 5: Solve for x
    x = 31,401,434.69/7,663.12
  6. Step 6: Final answer
    x = 4,097.73

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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.