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Finding the Fourth Proportional to 11,440.88, 17,163.28 and 4,867.12

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Solution

The fourth proportional to 11,440.88, 17,163.28 and 4,867.12 is: 7,301.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,440.88 : 17,163.28 = 4,867.12 : x
  2. Step 2: Convert to fraction form
    11,440.88/17,163.28 = 4,867.12/x
  3. Step 3: Cross multiply
    11,440.88x = 17,163.28 × 4,867.12
  4. Step 4: Simplify right side
    11,440.88x = 83,535,743.35
  5. Step 5: Solve for x
    x = 83,535,743.35/11,440.88
  6. Step 6: Final answer
    x = 7,301.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.