Home / 11,236.21-15,505.45-6,452.79

Finding the Fourth Proportional to 11,236.21, 15,505.45 and 6,452.79

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Solution

The fourth proportional to 11,236.21, 15,505.45 and 6,452.79 is: 8,904.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,236.21 : 15,505.45 = 6,452.79 : x
  2. Step 2: Convert to fraction form
    11,236.21/15,505.45 = 6,452.79/x
  3. Step 3: Cross multiply
    11,236.21x = 15,505.45 × 6,452.79
  4. Step 4: Simplify right side
    11,236.21x = 100,053,461.94
  5. Step 5: Solve for x
    x = 100,053,461.94/11,236.21
  6. Step 6: Final answer
    x = 8,904.55

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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.