Home / 12,726.84-19,092.09-3,962.64

Finding the Fourth Proportional to 12,726.84, 19,092.09 and 3,962.64

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Solution

The fourth proportional to 12,726.84, 19,092.09 and 3,962.64 is: 5,944.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726.84 : 19,092.09 = 3,962.64 : x
  2. Step 2: Convert to fraction form
    12,726.84/19,092.09 = 3,962.64/x
  3. Step 3: Cross multiply
    12,726.84x = 19,092.09 × 3,962.64
  4. Step 4: Simplify right side
    12,726.84x = 75,655,079.52
  5. Step 5: Solve for x
    x = 75,655,079.52/12,726.84
  6. Step 6: Final answer
    x = 5,944.53

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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.