Home / 11,023.43-15,211.55-6,243.86

Finding the Fourth Proportional to 11,023.43, 15,211.55 and 6,243.86

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Solution

The fourth proportional to 11,023.43, 15,211.55 and 6,243.86 is: 8,616.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,023.43 : 15,211.55 = 6,243.86 : x
  2. Step 2: Convert to fraction form
    11,023.43/15,211.55 = 6,243.86/x
  3. Step 3: Cross multiply
    11,023.43x = 15,211.55 × 6,243.86
  4. Step 4: Simplify right side
    11,023.43x = 94,978,842.22
  5. Step 5: Solve for x
    x = 94,978,842.22/11,023.43
  6. Step 6: Final answer
    x = 8,616.09

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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.