Home / 11,530.78-17,296.13-3,633.95

Finding the Fourth Proportional to 11,530.78, 17,296.13 and 3,633.95

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Solution

The fourth proportional to 11,530.78, 17,296.13 and 3,633.95 is: 5,450.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,530.78 : 17,296.13 = 3,633.95 : x
  2. Step 2: Convert to fraction form
    11,530.78/17,296.13 = 3,633.95/x
  3. Step 3: Cross multiply
    11,530.78x = 17,296.13 × 3,633.95
  4. Step 4: Simplify right side
    11,530.78x = 62,853,271.61
  5. Step 5: Solve for x
    x = 62,853,271.61/11,530.78
  6. Step 6: Final answer
    x = 5,450.91

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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.