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Finding the Fourth Proportional to 8,618.14, 11,893.71 and 4,841.56

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Solution

The fourth proportional to 8,618.14, 11,893.71 and 4,841.56 is: 6,681.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,618.14 : 11,893.71 = 4,841.56 : x
  2. Step 2: Convert to fraction form
    8,618.14/11,893.71 = 4,841.56/x
  3. Step 3: Cross multiply
    8,618.14x = 11,893.71 × 4,841.56
  4. Step 4: Simplify right side
    8,618.14x = 57,584,110.59
  5. Step 5: Solve for x
    x = 57,584,110.59/8,618.14
  6. Step 6: Final answer
    x = 6,681.73

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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.