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Finding the Fourth Proportional to 8,188.08, 11,305.08 and 6,296.32

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Solution

The fourth proportional to 8,188.08, 11,305.08 and 6,296.32 is: 8,693.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188.08 : 11,305.08 = 6,296.32 : x
  2. Step 2: Convert to fraction form
    8,188.08/11,305.08 = 6,296.32/x
  3. Step 3: Cross multiply
    8,188.08x = 11,305.08 × 6,296.32
  4. Step 4: Simplify right side
    8,188.08x = 71,180,401.31
  5. Step 5: Solve for x
    x = 71,180,401.31/8,188.08
  6. Step 6: Final answer
    x = 8,693.17

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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.