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Finding the Fourth Proportional to 11,265.01, 15,546.12 and 7,286.12

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Solution

The fourth proportional to 11,265.01, 15,546.12 and 7,286.12 is: 10,055.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,265.01 : 15,546.12 = 7,286.12 : x
  2. Step 2: Convert to fraction form
    11,265.01/15,546.12 = 7,286.12/x
  3. Step 3: Cross multiply
    11,265.01x = 15,546.12 × 7,286.12
  4. Step 4: Simplify right side
    11,265.01x = 113,270,869.59
  5. Step 5: Solve for x
    x = 113,270,869.59/11,265.01
  6. Step 6: Final answer
    x = 10,055.11

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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.