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Finding the Fourth Proportional to 9,324.36, 13,955.13 and 7,767.36

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Solution

The fourth proportional to 9,324.36, 13,955.13 and 7,767.36 is: 11,624.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,324.36 : 13,955.13 = 7,767.36 : x
  2. Step 2: Convert to fraction form
    9,324.36/13,955.13 = 7,767.36/x
  3. Step 3: Cross multiply
    9,324.36x = 13,955.13 × 7,767.36
  4. Step 4: Simplify right side
    9,324.36x = 108,394,518.56
  5. Step 5: Solve for x
    x = 108,394,518.56/9,324.36
  6. Step 6: Final answer
    x = 11,624.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.