Home / 10,664.92-15,999.72-3,269.94

Finding the Fourth Proportional to 10,664.92, 15,999.72 and 3,269.94

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Solution

The fourth proportional to 10,664.92, 15,999.72 and 3,269.94 is: 4,905.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,664.92 : 15,999.72 = 3,269.94 : x
  2. Step 2: Convert to fraction form
    10,664.92/15,999.72 = 3,269.94/x
  3. Step 3: Cross multiply
    10,664.92x = 15,999.72 × 3,269.94
  4. Step 4: Simplify right side
    10,664.92x = 52,318,124.42
  5. Step 5: Solve for x
    x = 52,318,124.42/10,664.92
  6. Step 6: Final answer
    x = 4,905.63

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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.