Home / 12,272.96-16,936.80-7,304

Finding the Fourth Proportional to 12,272.96, 16,936.80 and 7,304

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Solution

The fourth proportional to 12,272.96, 16,936.80 and 7,304 is: 10,079.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,272.96 : 16,936.80 = 7,304 : x
  2. Step 2: Convert to fraction form
    12,272.96/16,936.80 = 7,304/x
  3. Step 3: Cross multiply
    12,272.96x = 16,936.80 × 7,304
  4. Step 4: Simplify right side
    12,272.96x = 123,706,387.20
  5. Step 5: Solve for x
    x = 123,706,387.20/12,272.96
  6. Step 6: Final answer
    x = 10,079.59

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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.