Home / 10,746.78-16,120.14-3,351.66

Finding the Fourth Proportional to 10,746.78, 16,120.14 and 3,351.66

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Solution

The fourth proportional to 10,746.78, 16,120.14 and 3,351.66 is: 5,027.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,746.78 : 16,120.14 = 3,351.66 : x
  2. Step 2: Convert to fraction form
    10,746.78/16,120.14 = 3,351.66/x
  3. Step 3: Cross multiply
    10,746.78x = 16,120.14 × 3,351.66
  4. Step 4: Simplify right side
    10,746.78x = 54,029,228.43
  5. Step 5: Solve for x
    x = 54,029,228.43/10,746.78
  6. Step 6: Final answer
    x = 5,027.48

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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.