Home / 11,115.93-15,345.56-8,592.33

Finding the Fourth Proportional to 11,115.93, 15,345.56 and 8,592.33

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Solution

The fourth proportional to 11,115.93, 15,345.56 and 8,592.33 is: 11,861.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,115.93 : 15,345.56 = 8,592.33 : x
  2. Step 2: Convert to fraction form
    11,115.93/15,345.56 = 8,592.33/x
  3. Step 3: Cross multiply
    11,115.93x = 15,345.56 × 8,592.33
  4. Step 4: Simplify right side
    11,115.93x = 131,854,115.55
  5. Step 5: Solve for x
    x = 131,854,115.55/11,115.93
  6. Step 6: Final answer
    x = 11,861.73

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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.