Home / 11,768.76-16,239.96-6,463.87

Finding the Fourth Proportional to 11,768.76, 16,239.96 and 6,463.87

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Solution

The fourth proportional to 11,768.76, 16,239.96 and 6,463.87 is: 8,919.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,768.76 : 16,239.96 = 6,463.87 : x
  2. Step 2: Convert to fraction form
    11,768.76/16,239.96 = 6,463.87/x
  3. Step 3: Cross multiply
    11,768.76x = 16,239.96 × 6,463.87
  4. Step 4: Simplify right side
    11,768.76x = 104,972,949.65
  5. Step 5: Solve for x
    x = 104,972,949.65/11,768.76
  6. Step 6: Final answer
    x = 8,919.63

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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.