Home / 6,895.86-9,512.82-4,239.06

Finding the Fourth Proportional to 6,895.86, 9,512.82 and 4,239.06

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Solution

The fourth proportional to 6,895.86, 9,512.82 and 4,239.06 is: 5,847.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,895.86 : 9,512.82 = 4,239.06 : x
  2. Step 2: Convert to fraction form
    6,895.86/9,512.82 = 4,239.06/x
  3. Step 3: Cross multiply
    6,895.86x = 9,512.82 × 4,239.06
  4. Step 4: Simplify right side
    6,895.86x = 40,325,414.75
  5. Step 5: Solve for x
    x = 40,325,414.75/6,895.86
  6. Step 6: Final answer
    x = 5,847.77

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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.