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Finding the Fourth Proportional to 9,353.55, 13,961.88 and 8,246.41

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Solution

The fourth proportional to 9,353.55, 13,961.88 and 8,246.41 is: 12,309.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,353.55 : 13,961.88 = 8,246.41 : x
  2. Step 2: Convert to fraction form
    9,353.55/13,961.88 = 8,246.41/x
  3. Step 3: Cross multiply
    9,353.55x = 13,961.88 × 8,246.41
  4. Step 4: Simplify right side
    9,353.55x = 115,135,407.47
  5. Step 5: Solve for x
    x = 115,135,407.47/9,353.55
  6. Step 6: Final answer
    x = 12,309.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.