Home / 11,777.28-17,673.30-4,851.78

Finding the Fourth Proportional to 11,777.28, 17,673.30 and 4,851.78

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Solution

The fourth proportional to 11,777.28, 17,673.30 and 4,851.78 is: 7,280.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,777.28 : 17,673.30 = 4,851.78 : x
  2. Step 2: Convert to fraction form
    11,777.28/17,673.30 = 4,851.78/x
  3. Step 3: Cross multiply
    11,777.28x = 17,673.30 × 4,851.78
  4. Step 4: Simplify right side
    11,777.28x = 85,746,963.47
  5. Step 5: Solve for x
    x = 85,746,963.47/11,777.28
  6. Step 6: Final answer
    x = 7,280.71

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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.