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Finding the Fourth Proportional to 6,103.68, 9,170.12 and 3,916.68

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Solution

The fourth proportional to 6,103.68, 9,170.12 and 3,916.68 is: 5,884.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,103.68 : 9,170.12 = 3,916.68 : x
  2. Step 2: Convert to fraction form
    6,103.68/9,170.12 = 3,916.68/x
  3. Step 3: Cross multiply
    6,103.68x = 9,170.12 × 3,916.68
  4. Step 4: Simplify right side
    6,103.68x = 35,916,425.60
  5. Step 5: Solve for x
    x = 35,916,425.60/6,103.68
  6. Step 6: Final answer
    x = 5,884.39

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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.