Home / 10,977.34-16,467.44-3,579.20

Finding the Fourth Proportional to 10,977.34, 16,467.44 and 3,579.20

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Solution

The fourth proportional to 10,977.34, 16,467.44 and 3,579.20 is: 5,369.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977.34 : 16,467.44 = 3,579.20 : x
  2. Step 2: Convert to fraction form
    10,977.34/16,467.44 = 3,579.20/x
  3. Step 3: Cross multiply
    10,977.34x = 16,467.44 × 3,579.20
  4. Step 4: Simplify right side
    10,977.34x = 58,940,261.25
  5. Step 5: Solve for x
    x = 58,940,261.25/10,977.34
  6. Step 6: Final answer
    x = 5,369.27

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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.