Home / 11,822.09-17,733.11-8,113.05

Finding the Fourth Proportional to 11,822.09, 17,733.11 and 8,113.05

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Solution

The fourth proportional to 11,822.09, 17,733.11 and 8,113.05 is: 12,169.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,822.09 : 17,733.11 = 8,113.05 : x
  2. Step 2: Convert to fraction form
    11,822.09/17,733.11 = 8,113.05/x
  3. Step 3: Cross multiply
    11,822.09x = 17,733.11 × 8,113.05
  4. Step 4: Simplify right side
    11,822.09x = 143,869,567.52
  5. Step 5: Solve for x
    x = 143,869,567.52/11,822.09
  6. Step 6: Final answer
    x = 12,169.56

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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.