Home / 11,718.36-17,562.24-8,934.84

Finding the Fourth Proportional to 11,718.36, 17,562.24 and 8,934.84

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Solution

The fourth proportional to 11,718.36, 17,562.24 and 8,934.84 is: 13,390.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.36 : 17,562.24 = 8,934.84 : x
  2. Step 2: Convert to fraction form
    11,718.36/17,562.24 = 8,934.84/x
  3. Step 3: Cross multiply
    11,718.36x = 17,562.24 × 8,934.84
  4. Step 4: Simplify right side
    11,718.36x = 156,915,804.44
  5. Step 5: Solve for x
    x = 156,915,804.44/11,718.36
  6. Step 6: Final answer
    x = 13,390.59

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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.