Home / 11,769.21-16,241.82-6,664.32

Finding the Fourth Proportional to 11,769.21, 16,241.82 and 6,664.32

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Solution

The fourth proportional to 11,769.21, 16,241.82 and 6,664.32 is: 9,196.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,769.21 : 16,241.82 = 6,664.32 : x
  2. Step 2: Convert to fraction form
    11,769.21/16,241.82 = 6,664.32/x
  3. Step 3: Cross multiply
    11,769.21x = 16,241.82 × 6,664.32
  4. Step 4: Simplify right side
    11,769.21x = 108,240,685.86
  5. Step 5: Solve for x
    x = 108,240,685.86/11,769.21
  6. Step 6: Final answer
    x = 9,196.94

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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.