Home / 10,738.20-16,097.70-4,162.20

Finding the Fourth Proportional to 10,738.20, 16,097.70 and 4,162.20

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Solution

The fourth proportional to 10,738.20, 16,097.70 and 4,162.20 is: 6,239.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,738.20 : 16,097.70 = 4,162.20 : x
  2. Step 2: Convert to fraction form
    10,738.20/16,097.70 = 4,162.20/x
  3. Step 3: Cross multiply
    10,738.20x = 16,097.70 × 4,162.20
  4. Step 4: Simplify right side
    10,738.20x = 67,001,846.94
  5. Step 5: Solve for x
    x = 67,001,846.94/10,738.20
  6. Step 6: Final answer
    x = 6,239.58

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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.