Home / 11,334.60-15,637.14-8,183.88

Finding the Fourth Proportional to 11,334.60, 15,637.14 and 8,183.88

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Solution

The fourth proportional to 11,334.60, 15,637.14 and 8,183.88 is: 11,290.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,334.60 : 15,637.14 = 8,183.88 : x
  2. Step 2: Convert to fraction form
    11,334.60/15,637.14 = 8,183.88/x
  3. Step 3: Cross multiply
    11,334.60x = 15,637.14 × 8,183.88
  4. Step 4: Simplify right side
    11,334.60x = 127,972,477.30
  5. Step 5: Solve for x
    x = 127,972,477.30/11,334.60
  6. Step 6: Final answer
    x = 11,290.43

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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.