Home / 10,118.44-15,175.58-3,876.36

Finding the Fourth Proportional to 10,118.44, 15,175.58 and 3,876.36

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Solution

The fourth proportional to 10,118.44, 15,175.58 and 3,876.36 is: 5,813.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,118.44 : 15,175.58 = 3,876.36 : x
  2. Step 2: Convert to fraction form
    10,118.44/15,175.58 = 3,876.36/x
  3. Step 3: Cross multiply
    10,118.44x = 15,175.58 × 3,876.36
  4. Step 4: Simplify right side
    10,118.44x = 58,826,011.29
  5. Step 5: Solve for x
    x = 58,826,011.29/10,118.44
  6. Step 6: Final answer
    x = 5,813.74

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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.