Home / 10,905.92-16,364.30-4,331.96

Finding the Fourth Proportional to 10,905.92, 16,364.30 and 4,331.96

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Solution

The fourth proportional to 10,905.92, 16,364.30 and 4,331.96 is: 6,500.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,905.92 : 16,364.30 = 4,331.96 : x
  2. Step 2: Convert to fraction form
    10,905.92/16,364.30 = 4,331.96/x
  3. Step 3: Cross multiply
    10,905.92x = 16,364.30 × 4,331.96
  4. Step 4: Simplify right side
    10,905.92x = 70,889,493.03
  5. Step 5: Solve for x
    x = 70,889,493.03/10,905.92
  6. Step 6: Final answer
    x = 6,500.09

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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.