Home / 12,571.72-17,344.20-7,536.04

Finding the Fourth Proportional to 12,571.72, 17,344.20 and 7,536.04

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Solution

The fourth proportional to 12,571.72, 17,344.20 and 7,536.04 is: 10,396.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,571.72 : 17,344.20 = 7,536.04 : x
  2. Step 2: Convert to fraction form
    12,571.72/17,344.20 = 7,536.04/x
  3. Step 3: Cross multiply
    12,571.72x = 17,344.20 × 7,536.04
  4. Step 4: Simplify right side
    12,571.72x = 130,706,584.97
  5. Step 5: Solve for x
    x = 130,706,584.97/12,571.72
  6. Step 6: Final answer
    x = 10,396.87

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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.