Home / 7,669.49-11,500.38-2,738.34

Finding the Fourth Proportional to 7,669.49, 11,500.38 and 2,738.34

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Solution

The fourth proportional to 7,669.49, 11,500.38 and 2,738.34 is: 4,106.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,669.49 : 11,500.38 = 2,738.34 : x
  2. Step 2: Convert to fraction form
    7,669.49/11,500.38 = 2,738.34/x
  3. Step 3: Cross multiply
    7,669.49x = 11,500.38 × 2,738.34
  4. Step 4: Simplify right side
    7,669.49x = 31,491,950.57
  5. Step 5: Solve for x
    x = 31,491,950.57/7,669.49
  6. Step 6: Final answer
    x = 4,106.14

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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.