Home / 11,650.08-16,081.74-8,115.24

Finding the Fourth Proportional to 11,650.08, 16,081.74 and 8,115.24

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Solution

The fourth proportional to 11,650.08, 16,081.74 and 8,115.24 is: 11,202.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,650.08 : 16,081.74 = 8,115.24 : x
  2. Step 2: Convert to fraction form
    11,650.08/16,081.74 = 8,115.24/x
  3. Step 3: Cross multiply
    11,650.08x = 16,081.74 × 8,115.24
  4. Step 4: Simplify right side
    11,650.08x = 130,507,179.72
  5. Step 5: Solve for x
    x = 130,507,179.72/11,650.08
  6. Step 6: Final answer
    x = 11,202.26

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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.