Home / 12,937.19-17,853.82-7,272.05

Finding the Fourth Proportional to 12,937.19, 17,853.82 and 7,272.05

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Solution

The fourth proportional to 12,937.19, 17,853.82 and 7,272.05 is: 10,035.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,937.19 : 17,853.82 = 7,272.05 : x
  2. Step 2: Convert to fraction form
    12,937.19/17,853.82 = 7,272.05/x
  3. Step 3: Cross multiply
    12,937.19x = 17,853.82 × 7,272.05
  4. Step 4: Simplify right side
    12,937.19x = 129,833,764.28
  5. Step 5: Solve for x
    x = 129,833,764.28/12,937.19
  6. Step 6: Final answer
    x = 10,035.70

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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.