Home / 11,172.33-16,760.32-3,775.11

Finding the Fourth Proportional to 11,172.33, 16,760.32 and 3,775.11

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Solution

The fourth proportional to 11,172.33, 16,760.32 and 3,775.11 is: 5,663.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,172.33 : 16,760.32 = 3,775.11 : x
  2. Step 2: Convert to fraction form
    11,172.33/16,760.32 = 3,775.11/x
  3. Step 3: Cross multiply
    11,172.33x = 16,760.32 × 3,775.11
  4. Step 4: Simplify right side
    11,172.33x = 63,271,979.35
  5. Step 5: Solve for x
    x = 63,271,979.35/11,172.33
  6. Step 6: Final answer
    x = 5,663.28

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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.