Home / 11,157.08-16,735.62-5,317.82

Finding the Fourth Proportional to 11,157.08, 16,735.62 and 5,317.82

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Solution

The fourth proportional to 11,157.08, 16,735.62 and 5,317.82 is: 7,976.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.08 : 16,735.62 = 5,317.82 : x
  2. Step 2: Convert to fraction form
    11,157.08/16,735.62 = 5,317.82/x
  3. Step 3: Cross multiply
    11,157.08x = 16,735.62 × 5,317.82
  4. Step 4: Simplify right side
    11,157.08x = 88,997,014.75
  5. Step 5: Solve for x
    x = 88,997,014.75/11,157.08
  6. Step 6: Final answer
    x = 7,976.73

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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.