Home / 11,962.10-17,943.15-5,720.64

Finding the Fourth Proportional to 11,962.10, 17,943.15 and 5,720.64

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Solution

The fourth proportional to 11,962.10, 17,943.15 and 5,720.64 is: 8,580.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,962.10 : 17,943.15 = 5,720.64 : x
  2. Step 2: Convert to fraction form
    11,962.10/17,943.15 = 5,720.64/x
  3. Step 3: Cross multiply
    11,962.10x = 17,943.15 × 5,720.64
  4. Step 4: Simplify right side
    11,962.10x = 102,646,301.62
  5. Step 5: Solve for x
    x = 102,646,301.62/11,962.10
  6. Step 6: Final answer
    x = 8,580.96

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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.