Home / 7,766.81-11,627.73-6,965.52

Finding the Fourth Proportional to 7,766.81, 11,627.73 and 6,965.52

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Solution

The fourth proportional to 7,766.81, 11,627.73 and 6,965.52 is: 10,428.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.81 : 11,627.73 = 6,965.52 : x
  2. Step 2: Convert to fraction form
    7,766.81/11,627.73 = 6,965.52/x
  3. Step 3: Cross multiply
    7,766.81x = 11,627.73 × 6,965.52
  4. Step 4: Simplify right side
    7,766.81x = 80,993,185.87
  5. Step 5: Solve for x
    x = 80,993,185.87/7,766.81
  6. Step 6: Final answer
    x = 10,428.11

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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.