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Finding the Fourth Proportional to 11,197.88, 16,796.46 and 4,619.12

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Solution

The fourth proportional to 11,197.88, 16,796.46 and 4,619.12 is: 6,928.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,197.88 : 16,796.46 = 4,619.12 : x
  2. Step 2: Convert to fraction form
    11,197.88/16,796.46 = 4,619.12/x
  3. Step 3: Cross multiply
    11,197.88x = 16,796.46 × 4,619.12
  4. Step 4: Simplify right side
    11,197.88x = 77,584,864.32
  5. Step 5: Solve for x
    x = 77,584,864.32/11,197.88
  6. Step 6: Final answer
    x = 6,928.53

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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.