Home / 11,459.10-17,185.87-4,791.99

Finding the Fourth Proportional to 11,459.10, 17,185.87 and 4,791.99

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Solution

The fourth proportional to 11,459.10, 17,185.87 and 4,791.99 is: 7,186.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,459.10 : 17,185.87 = 4,791.99 : x
  2. Step 2: Convert to fraction form
    11,459.10/17,185.87 = 4,791.99/x
  3. Step 3: Cross multiply
    11,459.10x = 17,185.87 × 4,791.99
  4. Step 4: Simplify right side
    11,459.10x = 82,354,493.22
  5. Step 5: Solve for x
    x = 82,354,493.22/11,459.10
  6. Step 6: Final answer
    x = 7,186.82

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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.