Home / 6,696.20-9,240.66-3,712.04

Finding the Fourth Proportional to 6,696.20, 9,240.66 and 3,712.04

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Solution

The fourth proportional to 6,696.20, 9,240.66 and 3,712.04 is: 5,122.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,696.20 : 9,240.66 = 3,712.04 : x
  2. Step 2: Convert to fraction form
    6,696.20/9,240.66 = 3,712.04/x
  3. Step 3: Cross multiply
    6,696.20x = 9,240.66 × 3,712.04
  4. Step 4: Simplify right side
    6,696.20x = 34,301,699.55
  5. Step 5: Solve for x
    x = 34,301,699.55/6,696.20
  6. Step 6: Final answer
    x = 5,122.56

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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.