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Finding the Fourth Proportional to 6,961.95, 10,411.94 and 6,187.39

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Solution

The fourth proportional to 6,961.95, 10,411.94 and 6,187.39 is: 9,253.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,961.95 : 10,411.94 = 6,187.39 : x
  2. Step 2: Convert to fraction form
    6,961.95/10,411.94 = 6,187.39/x
  3. Step 3: Cross multiply
    6,961.95x = 10,411.94 × 6,187.39
  4. Step 4: Simplify right side
    6,961.95x = 64,422,722.88
  5. Step 5: Solve for x
    x = 64,422,722.88/6,961.95
  6. Step 6: Final answer
    x = 9,253.55

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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.