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Finding the Fourth Proportional to 6,186.71, 9,267.50 and 4,939.41

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Solution

The fourth proportional to 6,186.71, 9,267.50 and 4,939.41 is: 7,399.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,186.71 : 9,267.50 = 4,939.41 : x
  2. Step 2: Convert to fraction form
    6,186.71/9,267.50 = 4,939.41/x
  3. Step 3: Cross multiply
    6,186.71x = 9,267.50 × 4,939.41
  4. Step 4: Simplify right side
    6,186.71x = 45,776,029.28
  5. Step 5: Solve for x
    x = 45,776,029.28/6,186.71
  6. Step 6: Final answer
    x = 7,399.09

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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.