Home / 7,865.47-11,796.81-2,243.53

Finding the Fourth Proportional to 7,865.47, 11,796.81 and 2,243.53

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Solution

The fourth proportional to 7,865.47, 11,796.81 and 2,243.53 is: 3,364.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,865.47 : 11,796.81 = 2,243.53 : x
  2. Step 2: Convert to fraction form
    7,865.47/11,796.81 = 2,243.53/x
  3. Step 3: Cross multiply
    7,865.47x = 11,796.81 × 2,243.53
  4. Step 4: Simplify right side
    7,865.47x = 26,466,497.14
  5. Step 5: Solve for x
    x = 26,466,497.14/7,865.47
  6. Step 6: Final answer
    x = 3,364.90

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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.