Home / 7,629.90-11,436.33-3,926.94

Finding the Fourth Proportional to 7,629.90, 11,436.33 and 3,926.94

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Solution

The fourth proportional to 7,629.90, 11,436.33 and 3,926.94 is: 5,886.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.90 : 11,436.33 = 3,926.94 : x
  2. Step 2: Convert to fraction form
    7,629.90/11,436.33 = 3,926.94/x
  3. Step 3: Cross multiply
    7,629.90x = 11,436.33 × 3,926.94
  4. Step 4: Simplify right side
    7,629.90x = 44,909,781.73
  5. Step 5: Solve for x
    x = 44,909,781.73/7,629.90
  6. Step 6: Final answer
    x = 5,886.02

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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.