Home / 11,552.85-15,942.90-6,517.05

Finding the Fourth Proportional to 11,552.85, 15,942.90 and 6,517.05

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Solution

The fourth proportional to 11,552.85, 15,942.90 and 6,517.05 is: 8,993.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,552.85 : 15,942.90 = 6,517.05 : x
  2. Step 2: Convert to fraction form
    11,552.85/15,942.90 = 6,517.05/x
  3. Step 3: Cross multiply
    11,552.85x = 15,942.90 × 6,517.05
  4. Step 4: Simplify right side
    11,552.85x = 103,900,676.45
  5. Step 5: Solve for x
    x = 103,900,676.45/11,552.85
  6. Step 6: Final answer
    x = 8,993.51

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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.