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Finding the Fourth Proportional to 9,167.88, 12,661.98 and 6,195.98

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Solution

The fourth proportional to 9,167.88, 12,661.98 and 6,195.98 is: 8,557.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,167.88 : 12,661.98 = 6,195.98 : x
  2. Step 2: Convert to fraction form
    9,167.88/12,661.98 = 6,195.98/x
  3. Step 3: Cross multiply
    9,167.88x = 12,661.98 × 6,195.98
  4. Step 4: Simplify right side
    9,167.88x = 78,453,374.84
  5. Step 5: Solve for x
    x = 78,453,374.84/9,167.88
  6. Step 6: Final answer
    x = 8,557.42

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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.