Home / 11,251.06-16,878.64-5,631.66

Finding the Fourth Proportional to 11,251.06, 16,878.64 and 5,631.66

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Solution

The fourth proportional to 11,251.06, 16,878.64 and 5,631.66 is: 8,448.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,251.06 : 16,878.64 = 5,631.66 : x
  2. Step 2: Convert to fraction form
    11,251.06/16,878.64 = 5,631.66/x
  3. Step 3: Cross multiply
    11,251.06x = 16,878.64 × 5,631.66
  4. Step 4: Simplify right side
    11,251.06x = 95,054,761.74
  5. Step 5: Solve for x
    x = 95,054,761.74/11,251.06
  6. Step 6: Final answer
    x = 8,448.52

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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.