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Finding the Fourth Proportional to 7,958.52, 11,938.32 and 6,224.04

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Solution

The fourth proportional to 7,958.52, 11,938.32 and 6,224.04 is: 9,336.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958.52 : 11,938.32 = 6,224.04 : x
  2. Step 2: Convert to fraction form
    7,958.52/11,938.32 = 6,224.04/x
  3. Step 3: Cross multiply
    7,958.52x = 11,938.32 × 6,224.04
  4. Step 4: Simplify right side
    7,958.52x = 74,304,581.21
  5. Step 5: Solve for x
    x = 74,304,581.21/7,958.52
  6. Step 6: Final answer
    x = 9,336.48

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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.