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Finding the Fourth Proportional to 11,789.03, 16,269.32 and 6,483.73

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Solution

The fourth proportional to 11,789.03, 16,269.32 and 6,483.73 is: 8,947.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,789.03 : 16,269.32 = 6,483.73 : x
  2. Step 2: Convert to fraction form
    11,789.03/16,269.32 = 6,483.73/x
  3. Step 3: Cross multiply
    11,789.03x = 16,269.32 × 6,483.73
  4. Step 4: Simplify right side
    11,789.03x = 105,485,878.16
  5. Step 5: Solve for x
    x = 105,485,878.16/11,789.03
  6. Step 6: Final answer
    x = 8,947.80

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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.