Home / 11,778.94-16,237.83-8,231.14

Finding the Fourth Proportional to 11,778.94, 16,237.83 and 8,231.14

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Solution

The fourth proportional to 11,778.94, 16,237.83 and 8,231.14 is: 11,347.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778.94 : 16,237.83 = 8,231.14 : x
  2. Step 2: Convert to fraction form
    11,778.94/16,237.83 = 8,231.14/x
  3. Step 3: Cross multiply
    11,778.94x = 16,237.83 × 8,231.14
  4. Step 4: Simplify right side
    11,778.94x = 133,655,852.03
  5. Step 5: Solve for x
    x = 133,655,852.03/11,778.94
  6. Step 6: Final answer
    x = 11,347.02

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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.