Home / 10,768.80-16,148.34-3,371.52

Finding the Fourth Proportional to 10,768.80, 16,148.34 and 3,371.52

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Solution

The fourth proportional to 10,768.80, 16,148.34 and 3,371.52 is: 5,055.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,768.80 : 16,148.34 = 3,371.52 : x
  2. Step 2: Convert to fraction form
    10,768.80/16,148.34 = 3,371.52/x
  3. Step 3: Cross multiply
    10,768.80x = 16,148.34 × 3,371.52
  4. Step 4: Simplify right side
    10,768.80x = 54,444,451.28
  5. Step 5: Solve for x
    x = 54,444,451.28/10,768.80
  6. Step 6: Final answer
    x = 5,055.76

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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.