Home / 9,112.36-13,669.38-3,917.04

Finding the Fourth Proportional to 9,112.36, 13,669.38 and 3,917.04

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Solution

The fourth proportional to 9,112.36, 13,669.38 and 3,917.04 is: 5,875.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,112.36 : 13,669.38 = 3,917.04 : x
  2. Step 2: Convert to fraction form
    9,112.36/13,669.38 = 3,917.04/x
  3. Step 3: Cross multiply
    9,112.36x = 13,669.38 × 3,917.04
  4. Step 4: Simplify right side
    9,112.36x = 53,543,508.24
  5. Step 5: Solve for x
    x = 53,543,508.24/9,112.36
  6. Step 6: Final answer
    x = 5,875.92

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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.