Home / 11,023.74-15,213.03-6,309.54

Finding the Fourth Proportional to 11,023.74, 15,213.03 and 6,309.54

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Solution

The fourth proportional to 11,023.74, 15,213.03 and 6,309.54 is: 8,707.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,023.74 : 15,213.03 = 6,309.54 : x
  2. Step 2: Convert to fraction form
    11,023.74/15,213.03 = 6,309.54/x
  3. Step 3: Cross multiply
    11,023.74x = 15,213.03 × 6,309.54
  4. Step 4: Simplify right side
    11,023.74x = 95,987,221.31
  5. Step 5: Solve for x
    x = 95,987,221.31/11,023.74
  6. Step 6: Final answer
    x = 8,707.32

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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.