Home / 11,922.48-17,886.92-4,131.30

Finding the Fourth Proportional to 11,922.48, 17,886.92 and 4,131.30

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Solution

The fourth proportional to 11,922.48, 17,886.92 and 4,131.30 is: 6,198.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,922.48 : 17,886.92 = 4,131.30 : x
  2. Step 2: Convert to fraction form
    11,922.48/17,886.92 = 4,131.30/x
  3. Step 3: Cross multiply
    11,922.48x = 17,886.92 × 4,131.30
  4. Step 4: Simplify right side
    11,922.48x = 73,896,232.60
  5. Step 5: Solve for x
    x = 73,896,232.60/11,922.48
  6. Step 6: Final answer
    x = 6,198.06

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1.5x scale

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.