Home / 11,829.05-17,743.58-4,812.89

Finding the Fourth Proportional to 11,829.05, 17,743.58 and 4,812.89

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Solution

The fourth proportional to 11,829.05, 17,743.58 and 4,812.89 is: 7,219.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,829.05 : 17,743.58 = 4,812.89 : x
  2. Step 2: Convert to fraction form
    11,829.05/17,743.58 = 4,812.89/x
  3. Step 3: Cross multiply
    11,829.05x = 17,743.58 × 4,812.89
  4. Step 4: Simplify right side
    11,829.05x = 85,397,785.96
  5. Step 5: Solve for x
    x = 85,397,785.96/11,829.05
  6. Step 6: Final answer
    x = 7,219.33

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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.