Home / 11,415.09-17,128.10-4,023.03

Finding the Fourth Proportional to 11,415.09, 17,128.10 and 4,023.03

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Solution

The fourth proportional to 11,415.09, 17,128.10 and 4,023.03 is: 6,036.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,415.09 : 17,128.10 = 4,023.03 : x
  2. Step 2: Convert to fraction form
    11,415.09/17,128.10 = 4,023.03/x
  3. Step 3: Cross multiply
    11,415.09x = 17,128.10 × 4,023.03
  4. Step 4: Simplify right side
    11,415.09x = 68,906,860.14
  5. Step 5: Solve for x
    x = 68,906,860.14/11,415.09
  6. Step 6: Final answer
    x = 6,036.47

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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.