Home / 11,051.20-16,576.86-2,731.39

Finding the Fourth Proportional to 11,051.20, 16,576.86 and 2,731.39

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Solution

The fourth proportional to 11,051.20, 16,576.86 and 2,731.39 is: 4,097.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,051.20 : 16,576.86 = 2,731.39 : x
  2. Step 2: Convert to fraction form
    11,051.20/16,576.86 = 2,731.39/x
  3. Step 3: Cross multiply
    11,051.20x = 16,576.86 × 2,731.39
  4. Step 4: Simplify right side
    11,051.20x = 45,277,869.64
  5. Step 5: Solve for x
    x = 45,277,869.64/11,051.20
  6. Step 6: Final answer
    x = 4,097.10

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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.