Home / 10,162.77-15,232.44-3,919.66

Finding the Fourth Proportional to 10,162.77, 15,232.44 and 3,919.66

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Solution

The fourth proportional to 10,162.77, 15,232.44 and 3,919.66 is: 5,874.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,162.77 : 15,232.44 = 3,919.66 : x
  2. Step 2: Convert to fraction form
    10,162.77/15,232.44 = 3,919.66/x
  3. Step 3: Cross multiply
    10,162.77x = 15,232.44 × 3,919.66
  4. Step 4: Simplify right side
    10,162.77x = 59,705,985.77
  5. Step 5: Solve for x
    x = 59,705,985.77/10,162.77
  6. Step 6: Final answer
    x = 5,874.97

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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.