Home / 7,829.82-11,731.74-5,635.26

Finding the Fourth Proportional to 7,829.82, 11,731.74 and 5,635.26

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Solution

The fourth proportional to 7,829.82, 11,731.74 and 5,635.26 is: 8,443.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829.82 : 11,731.74 = 5,635.26 : x
  2. Step 2: Convert to fraction form
    7,829.82/11,731.74 = 5,635.26/x
  3. Step 3: Cross multiply
    7,829.82x = 11,731.74 × 5,635.26
  4. Step 4: Simplify right side
    7,829.82x = 66,111,405.15
  5. Step 5: Solve for x
    x = 66,111,405.15/7,829.82
  6. Step 6: Final answer
    x = 8,443.54

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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.