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Finding the Fourth Proportional to 7,955.96, 10,982.18 and 6,832.39

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Solution

The fourth proportional to 7,955.96, 10,982.18 and 6,832.39 is: 9,431.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.96 : 10,982.18 = 6,832.39 : x
  2. Step 2: Convert to fraction form
    7,955.96/10,982.18 = 6,832.39/x
  3. Step 3: Cross multiply
    7,955.96x = 10,982.18 × 6,832.39
  4. Step 4: Simplify right side
    7,955.96x = 75,034,509.35
  5. Step 5: Solve for x
    x = 75,034,509.35/7,955.96
  6. Step 6: Final answer
    x = 9,431.24

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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.