Home / 11,175.46-16,763.16-2,855.47

Finding the Fourth Proportional to 11,175.46, 16,763.16 and 2,855.47

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Solution

The fourth proportional to 11,175.46, 16,763.16 and 2,855.47 is: 4,283.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,175.46 : 16,763.16 = 2,855.47 : x
  2. Step 2: Convert to fraction form
    11,175.46/16,763.16 = 2,855.47/x
  3. Step 3: Cross multiply
    11,175.46x = 16,763.16 × 2,855.47
  4. Step 4: Simplify right side
    11,175.46x = 47,866,749.53
  5. Step 5: Solve for x
    x = 47,866,749.53/11,175.46
  6. Step 6: Final answer
    x = 4,283.20

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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.