Home / 10,930.43-16,396.55-4,353.03

Finding the Fourth Proportional to 10,930.43, 16,396.55 and 4,353.03

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Solution

The fourth proportional to 10,930.43, 16,396.55 and 4,353.03 is: 6,529.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,930.43 : 16,396.55 = 4,353.03 : x
  2. Step 2: Convert to fraction form
    10,930.43/16,396.55 = 4,353.03/x
  3. Step 3: Cross multiply
    10,930.43x = 16,396.55 × 4,353.03
  4. Step 4: Simplify right side
    10,930.43x = 71,374,674.05
  5. Step 5: Solve for x
    x = 71,374,674.05/10,930.43
  6. Step 6: Final answer
    x = 6,529.91

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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.