Home / 7,716.47-11,567.68-2,782.62

Finding the Fourth Proportional to 7,716.47, 11,567.68 and 2,782.62

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Solution

The fourth proportional to 7,716.47, 11,567.68 and 2,782.62 is: 4,171.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.47 : 11,567.68 = 2,782.62 : x
  2. Step 2: Convert to fraction form
    7,716.47/11,567.68 = 2,782.62/x
  3. Step 3: Cross multiply
    7,716.47x = 11,567.68 × 2,782.62
  4. Step 4: Simplify right side
    7,716.47x = 32,188,450.77
  5. Step 5: Solve for x
    x = 32,188,450.77/7,716.47
  6. Step 6: Final answer
    x = 4,171.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.