Home / 11,954.64-17,919.61-4,557.11

Finding the Fourth Proportional to 11,954.64, 17,919.61 and 4,557.11

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Solution

The fourth proportional to 11,954.64, 17,919.61 and 4,557.11 is: 6,830.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,954.64 : 17,919.61 = 4,557.11 : x
  2. Step 2: Convert to fraction form
    11,954.64/17,919.61 = 4,557.11/x
  3. Step 3: Cross multiply
    11,954.64x = 17,919.61 × 4,557.11
  4. Step 4: Simplify right side
    11,954.64x = 81,661,633.93
  5. Step 5: Solve for x
    x = 81,661,633.93/11,954.64
  6. Step 6: Final answer
    x = 6,830.96

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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.