Home / 11,669.86-16,104.40-6,633.95

Finding the Fourth Proportional to 11,669.86, 16,104.40 and 6,633.95

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Solution

The fourth proportional to 11,669.86, 16,104.40 and 6,633.95 is: 9,154.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,669.86 : 16,104.40 = 6,633.95 : x
  2. Step 2: Convert to fraction form
    11,669.86/16,104.40 = 6,633.95/x
  3. Step 3: Cross multiply
    11,669.86x = 16,104.40 × 6,633.95
  4. Step 4: Simplify right side
    11,669.86x = 106,835,815.18
  5. Step 5: Solve for x
    x = 106,835,815.18/11,669.86
  6. Step 6: Final answer
    x = 9,154.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.