Home / 9,209.73-13,814.25-2,635.90

Finding the Fourth Proportional to 9,209.73, 13,814.25 and 2,635.90

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Solution

The fourth proportional to 9,209.73, 13,814.25 and 2,635.90 is: 3,953.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,209.73 : 13,814.25 = 2,635.90 : x
  2. Step 2: Convert to fraction form
    9,209.73/13,814.25 = 2,635.90/x
  3. Step 3: Cross multiply
    9,209.73x = 13,814.25 × 2,635.90
  4. Step 4: Simplify right side
    9,209.73x = 36,412,981.58
  5. Step 5: Solve for x
    x = 36,412,981.58/9,209.73
  6. Step 6: Final answer
    x = 3,953.75

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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.