Home / 6,238.08-8,611.36-4,114.86

Finding the Fourth Proportional to 6,238.08, 8,611.36 and 4,114.86

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Solution

The fourth proportional to 6,238.08, 8,611.36 and 4,114.86 is: 5,680.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,238.08 : 8,611.36 = 4,114.86 : x
  2. Step 2: Convert to fraction form
    6,238.08/8,611.36 = 4,114.86/x
  3. Step 3: Cross multiply
    6,238.08x = 8,611.36 × 4,114.86
  4. Step 4: Simplify right side
    6,238.08x = 35,434,540.81
  5. Step 5: Solve for x
    x = 35,434,540.81/6,238.08
  6. Step 6: Final answer
    x = 5,680.36

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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.