Home / 11,772.24-17,661.60-4,851.60

Finding the Fourth Proportional to 11,772.24, 17,661.60 and 4,851.60

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Solution

The fourth proportional to 11,772.24, 17,661.60 and 4,851.60 is: 7,278.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,772.24 : 17,661.60 = 4,851.60 : x
  2. Step 2: Convert to fraction form
    11,772.24/17,661.60 = 4,851.60/x
  3. Step 3: Cross multiply
    11,772.24x = 17,661.60 × 4,851.60
  4. Step 4: Simplify right side
    11,772.24x = 85,687,018.56
  5. Step 5: Solve for x
    x = 85,687,018.56/11,772.24
  6. Step 6: Final answer
    x = 7,278.74

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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.