Home / 10,916.19-16,375.66-3,520.48

Finding the Fourth Proportional to 10,916.19, 16,375.66 and 3,520.48

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Solution

The fourth proportional to 10,916.19, 16,375.66 and 3,520.48 is: 5,281.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,916.19 : 16,375.66 = 3,520.48 : x
  2. Step 2: Convert to fraction form
    10,916.19/16,375.66 = 3,520.48/x
  3. Step 3: Cross multiply
    10,916.19x = 16,375.66 × 3,520.48
  4. Step 4: Simplify right side
    10,916.19x = 57,650,183.52
  5. Step 5: Solve for x
    x = 57,650,183.52/10,916.19
  6. Step 6: Final answer
    x = 5,281.17

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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.