Home / 11,133.20-16,704.60-5,661.20

Finding the Fourth Proportional to 11,133.20, 16,704.60 and 5,661.20

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Solution

The fourth proportional to 11,133.20, 16,704.60 and 5,661.20 is: 8,494.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,133.20 : 16,704.60 = 5,661.20 : x
  2. Step 2: Convert to fraction form
    11,133.20/16,704.60 = 5,661.20/x
  3. Step 3: Cross multiply
    11,133.20x = 16,704.60 × 5,661.20
  4. Step 4: Simplify right side
    11,133.20x = 94,568,081.52
  5. Step 5: Solve for x
    x = 94,568,081.52/11,133.20
  6. Step 6: Final answer
    x = 8,494.24

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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.