Home / 11,475.32-17,208.11-4,081.64

Finding the Fourth Proportional to 11,475.32, 17,208.11 and 4,081.64

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Solution

The fourth proportional to 11,475.32, 17,208.11 and 4,081.64 is: 6,120.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,475.32 : 17,208.11 = 4,081.64 : x
  2. Step 2: Convert to fraction form
    11,475.32/17,208.11 = 4,081.64/x
  3. Step 3: Cross multiply
    11,475.32x = 17,208.11 × 4,081.64
  4. Step 4: Simplify right side
    11,475.32x = 70,237,234.26
  5. Step 5: Solve for x
    x = 70,237,234.26/11,475.32
  6. Step 6: Final answer
    x = 6,120.72

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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.