Home / 10,930.23-16,391.85-3,533.16

Finding the Fourth Proportional to 10,930.23, 16,391.85 and 3,533.16

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Solution

The fourth proportional to 10,930.23, 16,391.85 and 3,533.16 is: 5,298.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,930.23 : 16,391.85 = 3,533.16 : x
  2. Step 2: Convert to fraction form
    10,930.23/16,391.85 = 3,533.16/x
  3. Step 3: Cross multiply
    10,930.23x = 16,391.85 × 3,533.16
  4. Step 4: Simplify right side
    10,930.23x = 57,915,028.75
  5. Step 5: Solve for x
    x = 57,915,028.75/10,930.23
  6. Step 6: Final answer
    x = 5,298.61

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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.