Home / 7,669.73-11,504.62-2,123.09

Finding the Fourth Proportional to 7,669.73, 11,504.62 and 2,123.09

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Solution

The fourth proportional to 7,669.73, 11,504.62 and 2,123.09 is: 3,184.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,669.73 : 11,504.62 = 2,123.09 : x
  2. Step 2: Convert to fraction form
    7,669.73/11,504.62 = 2,123.09/x
  3. Step 3: Cross multiply
    7,669.73x = 11,504.62 × 2,123.09
  4. Step 4: Simplify right side
    7,669.73x = 24,425,388.70
  5. Step 5: Solve for x
    x = 24,425,388.70/7,669.73
  6. Step 6: Final answer
    x = 3,184.65

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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.