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Finding the Fourth Proportional to 9,936.92, 14,885.94 and 8,184.44

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Solution

The fourth proportional to 9,936.92, 14,885.94 and 8,184.44 is: 12,260.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,936.92 : 14,885.94 = 8,184.44 : x
  2. Step 2: Convert to fraction form
    9,936.92/14,885.94 = 8,184.44/x
  3. Step 3: Cross multiply
    9,936.92x = 14,885.94 × 8,184.44
  4. Step 4: Simplify right side
    9,936.92x = 121,833,082.77
  5. Step 5: Solve for x
    x = 121,833,082.77/9,936.92
  6. Step 6: Final answer
    x = 12,260.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.