Home / 11,044.52-16,561.90-6,878.28

Finding the Fourth Proportional to 11,044.52, 16,561.90 and 6,878.28

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Solution

The fourth proportional to 11,044.52, 16,561.90 and 6,878.28 is: 10,314.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,044.52 : 16,561.90 = 6,878.28 : x
  2. Step 2: Convert to fraction form
    11,044.52/16,561.90 = 6,878.28/x
  3. Step 3: Cross multiply
    11,044.52x = 16,561.90 × 6,878.28
  4. Step 4: Simplify right side
    11,044.52x = 113,917,385.53
  5. Step 5: Solve for x
    x = 113,917,385.53/11,044.52
  6. Step 6: Final answer
    x = 10,314.38

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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.