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Finding the Fourth Proportional to 8,094.60, 11,147.22 and 6,683.40

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Solution

The fourth proportional to 8,094.60, 11,147.22 and 6,683.40 is: 9,203.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,094.60 : 11,147.22 = 6,683.40 : x
  2. Step 2: Convert to fraction form
    8,094.60/11,147.22 = 6,683.40/x
  3. Step 3: Cross multiply
    8,094.60x = 11,147.22 × 6,683.40
  4. Step 4: Simplify right side
    8,094.60x = 74,501,330.15
  5. Step 5: Solve for x
    x = 74,501,330.15/8,094.60
  6. Step 6: Final answer
    x = 9,203.83

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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.