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Finding the Fourth Proportional to 11,469.06, 15,836.64 and 9,344.94

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Solution

The fourth proportional to 11,469.06, 15,836.64 and 9,344.94 is: 12,903.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,469.06 : 15,836.64 = 9,344.94 : x
  2. Step 2: Convert to fraction form
    11,469.06/15,836.64 = 9,344.94/x
  3. Step 3: Cross multiply
    11,469.06x = 15,836.64 × 9,344.94
  4. Step 4: Simplify right side
    11,469.06x = 147,992,450.60
  5. Step 5: Solve for x
    x = 147,992,450.60/11,469.06
  6. Step 6: Final answer
    x = 12,903.63

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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.