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Finding the Fourth Proportional to 8,246, 11,379.52 and 4,934

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Solution

The fourth proportional to 8,246, 11,379.52 and 4,934 is: 6,808.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,246 : 11,379.52 = 4,934 : x
  2. Step 2: Convert to fraction form
    8,246/11,379.52 = 4,934/x
  3. Step 3: Cross multiply
    8,246x = 11,379.52 × 4,934
  4. Step 4: Simplify right side
    8,246x = 56,146,551.68
  5. Step 5: Solve for x
    x = 56,146,551.68/8,246
  6. Step 6: Final answer
    x = 6,808.94

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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.