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Finding the Fourth Proportional to 6,236.95, 8,604.48 and 3,998.41

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Solution

The fourth proportional to 6,236.95, 8,604.48 and 3,998.41 is: 5,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,236.95 : 8,604.48 = 3,998.41 : x
  2. Step 2: Convert to fraction form
    6,236.95/8,604.48 = 3,998.41/x
  3. Step 3: Cross multiply
    6,236.95x = 8,604.48 × 3,998.41
  4. Step 4: Simplify right side
    6,236.95x = 34,404,238.88
  5. Step 5: Solve for x
    x = 34,404,238.88/6,236.95
  6. Step 6: Final answer
    x = 5,516.20

Related Problems

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Half scale
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Double scale
Find fourth proportional to 6,237.95, 8,605.86 and 3,999.41
Similar ratio
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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.