Home / 11,587.16-17,375.24-5,345.32

Finding the Fourth Proportional to 11,587.16, 17,375.24 and 5,345.32

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Solution

The fourth proportional to 11,587.16, 17,375.24 and 5,345.32 is: 8,015.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,587.16 : 17,375.24 = 5,345.32 : x
  2. Step 2: Convert to fraction form
    11,587.16/17,375.24 = 5,345.32/x
  3. Step 3: Cross multiply
    11,587.16x = 17,375.24 × 5,345.32
  4. Step 4: Simplify right side
    11,587.16x = 92,876,217.88
  5. Step 5: Solve for x
    x = 92,876,217.88/11,587.16
  6. Step 6: Final answer
    x = 8,015.44

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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.