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Finding the Fourth Proportional to 11,999.73, 16,544.92 and 9,867.81

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Solution

The fourth proportional to 11,999.73, 16,544.92 and 9,867.81 is: 13,605.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,999.73 : 16,544.92 = 9,867.81 : x
  2. Step 2: Convert to fraction form
    11,999.73/16,544.92 = 9,867.81/x
  3. Step 3: Cross multiply
    11,999.73x = 16,544.92 × 9,867.81
  4. Step 4: Simplify right side
    11,999.73x = 163,262,127.03
  5. Step 5: Solve for x
    x = 163,262,127.03/11,999.73
  6. Step 6: Final answer
    x = 13,605.48

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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.