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Finding the Fourth Proportional to 11,197.84, 16,800.41 and 5,354.91

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Solution

The fourth proportional to 11,197.84, 16,800.41 and 5,354.91 is: 8,034.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,197.84 : 16,800.41 = 5,354.91 : x
  2. Step 2: Convert to fraction form
    11,197.84/16,800.41 = 5,354.91/x
  3. Step 3: Cross multiply
    11,197.84x = 16,800.41 × 5,354.91
  4. Step 4: Simplify right side
    11,197.84x = 89,964,613.82
  5. Step 5: Solve for x
    x = 89,964,613.82/11,197.84
  6. Step 6: Final answer
    x = 8,034.10

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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.