Home / 7,026.78-9,696.60-3,882.36

Finding the Fourth Proportional to 7,026.78, 9,696.60 and 3,882.36

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Solution

The fourth proportional to 7,026.78, 9,696.60 and 3,882.36 is: 5,357.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,026.78 : 9,696.60 = 3,882.36 : x
  2. Step 2: Convert to fraction form
    7,026.78/9,696.60 = 3,882.36/x
  3. Step 3: Cross multiply
    7,026.78x = 9,696.60 × 3,882.36
  4. Step 4: Simplify right side
    7,026.78x = 37,645,691.98
  5. Step 5: Solve for x
    x = 37,645,691.98/7,026.78
  6. Step 6: Final answer
    x = 5,357.46

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1.5x scale

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.