Home / 11,166.78-16,749.62-4,148.16

Finding the Fourth Proportional to 11,166.78, 16,749.62 and 4,148.16

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Solution

The fourth proportional to 11,166.78, 16,749.62 and 4,148.16 is: 6,222.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,166.78 : 16,749.62 = 4,148.16 : x
  2. Step 2: Convert to fraction form
    11,166.78/16,749.62 = 4,148.16/x
  3. Step 3: Cross multiply
    11,166.78x = 16,749.62 × 4,148.16
  4. Step 4: Simplify right side
    11,166.78x = 69,480,103.70
  5. Step 5: Solve for x
    x = 69,480,103.70/11,166.78
  6. Step 6: Final answer
    x = 6,222.04

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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.