Home / 10,919.41-16,377.51-5,371.27

Finding the Fourth Proportional to 10,919.41, 16,377.51 and 5,371.27

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Solution

The fourth proportional to 10,919.41, 16,377.51 and 5,371.27 is: 8,056.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,919.41 : 16,377.51 = 5,371.27 : x
  2. Step 2: Convert to fraction form
    10,919.41/16,377.51 = 5,371.27/x
  3. Step 3: Cross multiply
    10,919.41x = 16,377.51 × 5,371.27
  4. Step 4: Simplify right side
    10,919.41x = 87,968,028.14
  5. Step 5: Solve for x
    x = 87,968,028.14/10,919.41
  6. Step 6: Final answer
    x = 8,056.12

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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.