Home / 12,517.27-17,274.66-7,212.43

Finding the Fourth Proportional to 12,517.27, 17,274.66 and 7,212.43

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Solution

The fourth proportional to 12,517.27, 17,274.66 and 7,212.43 is: 9,953.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,517.27 : 17,274.66 = 7,212.43 : x
  2. Step 2: Convert to fraction form
    12,517.27/17,274.66 = 7,212.43/x
  3. Step 3: Cross multiply
    12,517.27x = 17,274.66 × 7,212.43
  4. Step 4: Simplify right side
    12,517.27x = 124,592,213.97
  5. Step 5: Solve for x
    x = 124,592,213.97/12,517.27
  6. Step 6: Final answer
    x = 9,953.63

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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.