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Finding the Fourth Proportional to 11,107.84, 16,653.53 and 6,724.26

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Solution

The fourth proportional to 11,107.84, 16,653.53 and 6,724.26 is: 10,081.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,107.84 : 16,653.53 = 6,724.26 : x
  2. Step 2: Convert to fraction form
    11,107.84/16,653.53 = 6,724.26/x
  3. Step 3: Cross multiply
    11,107.84x = 16,653.53 × 6,724.26
  4. Step 4: Simplify right side
    11,107.84x = 111,982,665.64
  5. Step 5: Solve for x
    x = 111,982,665.64/11,107.84
  6. Step 6: Final answer
    x = 10,081.41

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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.