Home / 7,617.73-11,424.57-2,069.78

Finding the Fourth Proportional to 7,617.73, 11,424.57 and 2,069.78

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Solution

The fourth proportional to 7,617.73, 11,424.57 and 2,069.78 is: 3,104.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617.73 : 11,424.57 = 2,069.78 : x
  2. Step 2: Convert to fraction form
    7,617.73/11,424.57 = 2,069.78/x
  3. Step 3: Cross multiply
    7,617.73x = 11,424.57 × 2,069.78
  4. Step 4: Simplify right side
    7,617.73x = 23,646,289.37
  5. Step 5: Solve for x
    x = 23,646,289.37/7,617.73
  6. Step 6: Final answer
    x = 3,104.11

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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.