Home / 11,415.48-17,100.94-7,508.04

Finding the Fourth Proportional to 11,415.48, 17,100.94 and 7,508.04

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Solution

The fourth proportional to 11,415.48, 17,100.94 and 7,508.04 is: 11,247.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,415.48 : 17,100.94 = 7,508.04 : x
  2. Step 2: Convert to fraction form
    11,415.48/17,100.94 = 7,508.04/x
  3. Step 3: Cross multiply
    11,415.48x = 17,100.94 × 7,508.04
  4. Step 4: Simplify right side
    11,415.48x = 128,394,541.56
  5. Step 5: Solve for x
    x = 128,394,541.56/11,415.48
  6. Step 6: Final answer
    x = 11,247.41

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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.