Home / 11,974.94-17,977.73-8,051.42

Finding the Fourth Proportional to 11,974.94, 17,977.73 and 8,051.42

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Solution

The fourth proportional to 11,974.94, 17,977.73 and 8,051.42 is: 12,087.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,974.94 : 17,977.73 = 8,051.42 : x
  2. Step 2: Convert to fraction form
    11,974.94/17,977.73 = 8,051.42/x
  3. Step 3: Cross multiply
    11,974.94x = 17,977.73 × 8,051.42
  4. Step 4: Simplify right side
    11,974.94x = 144,746,254.88
  5. Step 5: Solve for x
    x = 144,746,254.88/11,974.94
  6. Step 6: Final answer
    x = 12,087.43

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1.5x scale

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.