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Finding the Fourth Proportional to 9,331.63, 12,859.92 and 6,674.42

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Solution

The fourth proportional to 9,331.63, 12,859.92 and 6,674.42 is: 9,198.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,331.63 : 12,859.92 = 6,674.42 : x
  2. Step 2: Convert to fraction form
    9,331.63/12,859.92 = 6,674.42/x
  3. Step 3: Cross multiply
    9,331.63x = 12,859.92 × 6,674.42
  4. Step 4: Simplify right side
    9,331.63x = 85,832,539.40
  5. Step 5: Solve for x
    x = 85,832,539.40/9,331.63
  6. Step 6: Final answer
    x = 9,198.02

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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.