Home / 9,200.44-12,694.92-5,424.79

Finding the Fourth Proportional to 9,200.44, 12,694.92 and 5,424.79

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Solution

The fourth proportional to 9,200.44, 12,694.92 and 5,424.79 is: 7,485.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,200.44 : 12,694.92 = 5,424.79 : x
  2. Step 2: Convert to fraction form
    9,200.44/12,694.92 = 5,424.79/x
  3. Step 3: Cross multiply
    9,200.44x = 12,694.92 × 5,424.79
  4. Step 4: Simplify right side
    9,200.44x = 68,867,275.07
  5. Step 5: Solve for x
    x = 68,867,275.07/9,200.44
  6. Step 6: Final answer
    x = 7,485.22

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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.