Home / 11,243.64-15,512.94-6,462.84

Finding the Fourth Proportional to 11,243.64, 15,512.94 and 6,462.84

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Solution

The fourth proportional to 11,243.64, 15,512.94 and 6,462.84 is: 8,916.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243.64 : 15,512.94 = 6,462.84 : x
  2. Step 2: Convert to fraction form
    11,243.64/15,512.94 = 6,462.84/x
  3. Step 3: Cross multiply
    11,243.64x = 15,512.94 × 6,462.84
  4. Step 4: Simplify right side
    11,243.64x = 100,257,649.15
  5. Step 5: Solve for x
    x = 100,257,649.15/11,243.64
  6. Step 6: Final answer
    x = 8,916.83

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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.