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Finding the Fourth Proportional to 12,171.94, 16,797.31 and 6,582.94

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Solution

The fourth proportional to 12,171.94, 16,797.31 and 6,582.94 is: 9,084.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,171.94 : 16,797.31 = 6,582.94 : x
  2. Step 2: Convert to fraction form
    12,171.94/16,797.31 = 6,582.94/x
  3. Step 3: Cross multiply
    12,171.94x = 16,797.31 × 6,582.94
  4. Step 4: Simplify right side
    12,171.94x = 110,575,625.44
  5. Step 5: Solve for x
    x = 110,575,625.44/12,171.94
  6. Step 6: Final answer
    x = 9,084.47

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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.