Home / 10,731.27-16,091.64-4,489.41

Finding the Fourth Proportional to 10,731.27, 16,091.64 and 4,489.41

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Solution

The fourth proportional to 10,731.27, 16,091.64 and 4,489.41 is: 6,731.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,731.27 : 16,091.64 = 4,489.41 : x
  2. Step 2: Convert to fraction form
    10,731.27/16,091.64 = 4,489.41/x
  3. Step 3: Cross multiply
    10,731.27x = 16,091.64 × 4,489.41
  4. Step 4: Simplify right side
    10,731.27x = 72,241,969.53
  5. Step 5: Solve for x
    x = 72,241,969.53/10,731.27
  6. Step 6: Final answer
    x = 6,731.91

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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.