Home / 11,241.32-15,512.81-6,205.70

Finding the Fourth Proportional to 11,241.32, 15,512.81 and 6,205.70

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Solution

The fourth proportional to 11,241.32, 15,512.81 and 6,205.70 is: 8,563.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,241.32 : 15,512.81 = 6,205.70 : x
  2. Step 2: Convert to fraction form
    11,241.32/15,512.81 = 6,205.70/x
  3. Step 3: Cross multiply
    11,241.32x = 15,512.81 × 6,205.70
  4. Step 4: Simplify right side
    11,241.32x = 96,267,736.42
  5. Step 5: Solve for x
    x = 96,267,736.42/11,241.32
  6. Step 6: Final answer
    x = 8,563.74

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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.