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Finding the Fourth Proportional to 11,181.63, 16,771.07 and 6,248.12

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Solution

The fourth proportional to 11,181.63, 16,771.07 and 6,248.12 is: 9,371.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,181.63 : 16,771.07 = 6,248.12 : x
  2. Step 2: Convert to fraction form
    11,181.63/16,771.07 = 6,248.12/x
  3. Step 3: Cross multiply
    11,181.63x = 16,771.07 × 6,248.12
  4. Step 4: Simplify right side
    11,181.63x = 104,787,542.79
  5. Step 5: Solve for x
    x = 104,787,542.79/11,181.63
  6. Step 6: Final answer
    x = 9,371.40

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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.