Home / 6,696.12-9,240.70-3,712.02

Finding the Fourth Proportional to 6,696.12, 9,240.70 and 3,712.02

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Solution

The fourth proportional to 6,696.12, 9,240.70 and 3,712.02 is: 5,122.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,696.12 : 9,240.70 = 3,712.02 : x
  2. Step 2: Convert to fraction form
    6,696.12/9,240.70 = 3,712.02/x
  3. Step 3: Cross multiply
    6,696.12x = 9,240.70 × 3,712.02
  4. Step 4: Simplify right side
    6,696.12x = 34,301,663.21
  5. Step 5: Solve for x
    x = 34,301,663.21/6,696.12
  6. Step 6: Final answer
    x = 5,122.62

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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.