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Finding the Fourth Proportional to 12,392.44, 17,101.43 and 6,727.39

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Solution

The fourth proportional to 12,392.44, 17,101.43 and 6,727.39 is: 9,283.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,392.44 : 17,101.43 = 6,727.39 : x
  2. Step 2: Convert to fraction form
    12,392.44/17,101.43 = 6,727.39/x
  3. Step 3: Cross multiply
    12,392.44x = 17,101.43 × 6,727.39
  4. Step 4: Simplify right side
    12,392.44x = 115,047,938.00
  5. Step 5: Solve for x
    x = 115,047,938.00/12,392.44
  6. Step 6: Final answer
    x = 9,283.72

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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.