Home / 11,255.22-16,887.78-5,988.99

Finding the Fourth Proportional to 11,255.22, 16,887.78 and 5,988.99

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Solution

The fourth proportional to 11,255.22, 16,887.78 and 5,988.99 is: 8,986.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.22 : 16,887.78 = 5,988.99 : x
  2. Step 2: Convert to fraction form
    11,255.22/16,887.78 = 5,988.99/x
  3. Step 3: Cross multiply
    11,255.22x = 16,887.78 × 5,988.99
  4. Step 4: Simplify right side
    11,255.22x = 101,140,745.54
  5. Step 5: Solve for x
    x = 101,140,745.54/11,255.22
  6. Step 6: Final answer
    x = 8,986.12

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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.