Home / 11,720.08-17,579.44-2,954.96

Finding the Fourth Proportional to 11,720.08, 17,579.44 and 2,954.96

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Solution

The fourth proportional to 11,720.08, 17,579.44 and 2,954.96 is: 4,432.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,720.08 : 17,579.44 = 2,954.96 : x
  2. Step 2: Convert to fraction form
    11,720.08/17,579.44 = 2,954.96/x
  3. Step 3: Cross multiply
    11,720.08x = 17,579.44 × 2,954.96
  4. Step 4: Simplify right side
    11,720.08x = 51,946,542.02
  5. Step 5: Solve for x
    x = 51,946,542.02/11,720.08
  6. Step 6: Final answer
    x = 4,432.27

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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.