Home / 11,055.91-15,252.22-7,469.71

Finding the Fourth Proportional to 11,055.91, 15,252.22 and 7,469.71

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Solution

The fourth proportional to 11,055.91, 15,252.22 and 7,469.71 is: 10,304.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,055.91 : 15,252.22 = 7,469.71 : x
  2. Step 2: Convert to fraction form
    11,055.91/15,252.22 = 7,469.71/x
  3. Step 3: Cross multiply
    11,055.91x = 15,252.22 × 7,469.71
  4. Step 4: Simplify right side
    11,055.91x = 113,929,660.26
  5. Step 5: Solve for x
    x = 113,929,660.26/11,055.91
  6. Step 6: Final answer
    x = 10,304.87

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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.