Home / 11,736.74-17,603.28-3,415.05

Finding the Fourth Proportional to 11,736.74, 17,603.28 and 3,415.05

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Solution

The fourth proportional to 11,736.74, 17,603.28 and 3,415.05 is: 5,122.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,736.74 : 17,603.28 = 3,415.05 : x
  2. Step 2: Convert to fraction form
    11,736.74/17,603.28 = 3,415.05/x
  3. Step 3: Cross multiply
    11,736.74x = 17,603.28 × 3,415.05
  4. Step 4: Simplify right side
    11,736.74x = 60,116,081.36
  5. Step 5: Solve for x
    x = 60,116,081.36/11,736.74
  6. Step 6: Final answer
    x = 5,122.04

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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.