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Finding the Fourth Proportional to 6,961.01, 10,427.59 and 4,186.16

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Solution

The fourth proportional to 6,961.01, 10,427.59 and 4,186.16 is: 6,270.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,961.01 : 10,427.59 = 4,186.16 : x
  2. Step 2: Convert to fraction form
    6,961.01/10,427.59 = 4,186.16/x
  3. Step 3: Cross multiply
    6,961.01x = 10,427.59 × 4,186.16
  4. Step 4: Simplify right side
    6,961.01x = 43,651,552.35
  5. Step 5: Solve for x
    x = 43,651,552.35/6,961.01
  6. Step 6: Final answer
    x = 6,270.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.