Home / 11,746.73-17,620.70-2,981.72

Finding the Fourth Proportional to 11,746.73, 17,620.70 and 2,981.72

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Solution

The fourth proportional to 11,746.73, 17,620.70 and 2,981.72 is: 4,472.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,746.73 : 17,620.70 = 2,981.72 : x
  2. Step 2: Convert to fraction form
    11,746.73/17,620.70 = 2,981.72/x
  3. Step 3: Cross multiply
    11,746.73x = 17,620.70 × 2,981.72
  4. Step 4: Simplify right side
    11,746.73x = 52,539,890.59
  5. Step 5: Solve for x
    x = 52,539,890.59/11,746.73
  6. Step 6: Final answer
    x = 4,472.73

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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.