Home / 11,247.40-16,868.86-3,851.24

Finding the Fourth Proportional to 11,247.40, 16,868.86 and 3,851.24

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Solution

The fourth proportional to 11,247.40, 16,868.86 and 3,851.24 is: 5,776.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.40 : 16,868.86 = 3,851.24 : x
  2. Step 2: Convert to fraction form
    11,247.40/16,868.86 = 3,851.24/x
  3. Step 3: Cross multiply
    11,247.40x = 16,868.86 × 3,851.24
  4. Step 4: Simplify right side
    11,247.40x = 64,966,028.39
  5. Step 5: Solve for x
    x = 64,966,028.39/11,247.40
  6. Step 6: Final answer
    x = 5,776.09

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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.