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Finding the Fourth Proportional to 11,009.27, 15,195 and 7,473.62

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Solution

The fourth proportional to 11,009.27, 15,195 and 7,473.62 is: 10,315.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,009.27 : 15,195 = 7,473.62 : x
  2. Step 2: Convert to fraction form
    11,009.27/15,195 = 7,473.62/x
  3. Step 3: Cross multiply
    11,009.27x = 15,195 × 7,473.62
  4. Step 4: Simplify right side
    11,009.27x = 113,561,655.90
  5. Step 5: Solve for x
    x = 113,561,655.90/11,009.27
  6. Step 6: Final answer
    x = 10,315.09

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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.