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Finding the Fourth Proportional to 9,191.44, 12,674.05 and 6,353.89

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Solution

The fourth proportional to 9,191.44, 12,674.05 and 6,353.89 is: 8,761.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.44 : 12,674.05 = 6,353.89 : x
  2. Step 2: Convert to fraction form
    9,191.44/12,674.05 = 6,353.89/x
  3. Step 3: Cross multiply
    9,191.44x = 12,674.05 × 6,353.89
  4. Step 4: Simplify right side
    9,191.44x = 80,529,424.41
  5. Step 5: Solve for x
    x = 80,529,424.41/9,191.44
  6. Step 6: Final answer
    x = 8,761.35

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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.