Home / 6,696.27-9,240.78-3,712.11

Finding the Fourth Proportional to 6,696.27, 9,240.78 and 3,712.11

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Solution

The fourth proportional to 6,696.27, 9,240.78 and 3,712.11 is: 5,122.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,696.27 : 9,240.78 = 3,712.11 : x
  2. Step 2: Convert to fraction form
    6,696.27/9,240.78 = 3,712.11/x
  3. Step 3: Cross multiply
    6,696.27x = 9,240.78 × 3,712.11
  4. Step 4: Simplify right side
    6,696.27x = 34,302,791.85
  5. Step 5: Solve for x
    x = 34,302,791.85/6,696.27
  6. Step 6: Final answer
    x = 5,122.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.