Home / 11,998.82-16,563.66-7,751.94

Finding the Fourth Proportional to 11,998.82, 16,563.66 and 7,751.94

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Solution

The fourth proportional to 11,998.82, 16,563.66 and 7,751.94 is: 10,701.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,998.82 : 16,563.66 = 7,751.94 : x
  2. Step 2: Convert to fraction form
    11,998.82/16,563.66 = 7,751.94/x
  3. Step 3: Cross multiply
    11,998.82x = 16,563.66 × 7,751.94
  4. Step 4: Simplify right side
    11,998.82x = 128,400,498.50
  5. Step 5: Solve for x
    x = 128,400,498.50/11,998.82
  6. Step 6: Final answer
    x = 10,701.10

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1.5x scale

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.