Home / 7,932.45-11,897.78-2,089.52

Finding the Fourth Proportional to 7,932.45, 11,897.78 and 2,089.52

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Solution

The fourth proportional to 7,932.45, 11,897.78 and 2,089.52 is: 3,134.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,932.45 : 11,897.78 = 2,089.52 : x
  2. Step 2: Convert to fraction form
    7,932.45/11,897.78 = 2,089.52/x
  3. Step 3: Cross multiply
    7,932.45x = 11,897.78 × 2,089.52
  4. Step 4: Simplify right side
    7,932.45x = 24,860,579.33
  5. Step 5: Solve for x
    x = 24,860,579.33/7,932.45
  6. Step 6: Final answer
    x = 3,134.04

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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.