Home / 7,324.36-10,107.56-3,967.09

Finding the Fourth Proportional to 7,324.36, 10,107.56 and 3,967.09

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Solution

The fourth proportional to 7,324.36, 10,107.56 and 3,967.09 is: 5,474.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,324.36 : 10,107.56 = 3,967.09 : x
  2. Step 2: Convert to fraction form
    7,324.36/10,107.56 = 3,967.09/x
  3. Step 3: Cross multiply
    7,324.36x = 10,107.56 × 3,967.09
  4. Step 4: Simplify right side
    7,324.36x = 40,097,600.20
  5. Step 5: Solve for x
    x = 40,097,600.20/7,324.36
  6. Step 6: Final answer
    x = 5,474.55

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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.