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Finding the Fourth Proportional to 11,044.14, 15,239.07 and 7,317.42

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Solution

The fourth proportional to 11,044.14, 15,239.07 and 7,317.42 is: 10,096.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,044.14 : 15,239.07 = 7,317.42 : x
  2. Step 2: Convert to fraction form
    11,044.14/15,239.07 = 7,317.42/x
  3. Step 3: Cross multiply
    11,044.14x = 15,239.07 × 7,317.42
  4. Step 4: Simplify right side
    11,044.14x = 111,510,675.60
  5. Step 5: Solve for x
    x = 111,510,675.60/11,044.14
  6. Step 6: Final answer
    x = 10,096.82

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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.