Home / 11,181.74-16,772.43-2,861.69

Finding the Fourth Proportional to 11,181.74, 16,772.43 and 2,861.69

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Solution

The fourth proportional to 11,181.74, 16,772.43 and 2,861.69 is: 4,292.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,181.74 : 16,772.43 = 2,861.69 : x
  2. Step 2: Convert to fraction form
    11,181.74/16,772.43 = 2,861.69/x
  3. Step 3: Cross multiply
    11,181.74x = 16,772.43 × 2,861.69
  4. Step 4: Simplify right side
    11,181.74x = 47,997,411.34
  5. Step 5: Solve for x
    x = 47,997,411.34/11,181.74
  6. Step 6: Final answer
    x = 4,292.48

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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.