Home / 11,736.12-17,603.49-3,415.95

Finding the Fourth Proportional to 11,736.12, 17,603.49 and 3,415.95

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Solution

The fourth proportional to 11,736.12, 17,603.49 and 3,415.95 is: 5,123.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,736.12 : 17,603.49 = 3,415.95 : x
  2. Step 2: Convert to fraction form
    11,736.12/17,603.49 = 3,415.95/x
  3. Step 3: Cross multiply
    11,736.12x = 17,603.49 × 3,415.95
  4. Step 4: Simplify right side
    11,736.12x = 60,132,641.67
  5. Step 5: Solve for x
    x = 60,132,641.67/11,736.12
  6. Step 6: Final answer
    x = 5,123.72

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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.