Home / 7,676.28-11,516.58-2,746.62

Finding the Fourth Proportional to 7,676.28, 11,516.58 and 2,746.62

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Solution

The fourth proportional to 7,676.28, 11,516.58 and 2,746.62 is: 4,120.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,676.28 : 11,516.58 = 2,746.62 : x
  2. Step 2: Convert to fraction form
    7,676.28/11,516.58 = 2,746.62/x
  3. Step 3: Cross multiply
    7,676.28x = 11,516.58 × 2,746.62
  4. Step 4: Simplify right side
    7,676.28x = 31,631,668.96
  5. Step 5: Solve for x
    x = 31,631,668.96/7,676.28
  6. Step 6: Final answer
    x = 4,120.70

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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.