Home / 11,862.44-16,371.80-6,826.56

Finding the Fourth Proportional to 11,862.44, 16,371.80 and 6,826.56

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Solution

The fourth proportional to 11,862.44, 16,371.80 and 6,826.56 is: 9,421.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862.44 : 16,371.80 = 6,826.56 : x
  2. Step 2: Convert to fraction form
    11,862.44/16,371.80 = 6,826.56/x
  3. Step 3: Cross multiply
    11,862.44x = 16,371.80 × 6,826.56
  4. Step 4: Simplify right side
    11,862.44x = 111,763,040.88
  5. Step 5: Solve for x
    x = 111,763,040.88/11,862.44
  6. Step 6: Final answer
    x = 9,421.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.