Home / 10,731.96-16,096.14-2,939.40

Finding the Fourth Proportional to 10,731.96, 16,096.14 and 2,939.40

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Solution

The fourth proportional to 10,731.96, 16,096.14 and 2,939.40 is: 4,408.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,731.96 : 16,096.14 = 2,939.40 : x
  2. Step 2: Convert to fraction form
    10,731.96/16,096.14 = 2,939.40/x
  3. Step 3: Cross multiply
    10,731.96x = 16,096.14 × 2,939.40
  4. Step 4: Simplify right side
    10,731.96x = 47,312,993.92
  5. Step 5: Solve for x
    x = 47,312,993.92/10,731.96
  6. Step 6: Final answer
    x = 4,408.61

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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.