Home / 12,764.91-19,147.38-6,192.06

Finding the Fourth Proportional to 12,764.91, 19,147.38 and 6,192.06

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Solution

The fourth proportional to 12,764.91, 19,147.38 and 6,192.06 is: 9,288.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,764.91 : 19,147.38 = 6,192.06 : x
  2. Step 2: Convert to fraction form
    12,764.91/19,147.38 = 6,192.06/x
  3. Step 3: Cross multiply
    12,764.91x = 19,147.38 × 6,192.06
  4. Step 4: Simplify right side
    12,764.91x = 118,561,725.80
  5. Step 5: Solve for x
    x = 118,561,725.80/12,764.91
  6. Step 6: Final answer
    x = 9,288.10

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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.