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Finding the Fourth Proportional to 8,630.10, 11,896.86 and 6,104.43

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Solution

The fourth proportional to 8,630.10, 11,896.86 and 6,104.43 is: 8,415.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,630.10 : 11,896.86 = 6,104.43 : x
  2. Step 2: Convert to fraction form
    8,630.10/11,896.86 = 6,104.43/x
  3. Step 3: Cross multiply
    8,630.10x = 11,896.86 × 6,104.43
  4. Step 4: Simplify right side
    8,630.10x = 72,623,549.09
  5. Step 5: Solve for x
    x = 72,623,549.09/8,630.10
  6. Step 6: Final answer
    x = 8,415.15

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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.