Home / 11,228.89-16,842.66-3,331.09

Finding the Fourth Proportional to 11,228.89, 16,842.66 and 3,331.09

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Solution

The fourth proportional to 11,228.89, 16,842.66 and 3,331.09 is: 4,996.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,228.89 : 16,842.66 = 3,331.09 : x
  2. Step 2: Convert to fraction form
    11,228.89/16,842.66 = 3,331.09/x
  3. Step 3: Cross multiply
    11,228.89x = 16,842.66 × 3,331.09
  4. Step 4: Simplify right side
    11,228.89x = 56,104,416.30
  5. Step 5: Solve for x
    x = 56,104,416.30/11,228.89
  6. Step 6: Final answer
    x = 4,996.43

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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.