Home / 8,170.34-11,274.42-4,634.12

Finding the Fourth Proportional to 8,170.34, 11,274.42 and 4,634.12

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Solution

The fourth proportional to 8,170.34, 11,274.42 and 4,634.12 is: 6,394.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.34 : 11,274.42 = 4,634.12 : x
  2. Step 2: Convert to fraction form
    8,170.34/11,274.42 = 4,634.12/x
  3. Step 3: Cross multiply
    8,170.34x = 11,274.42 × 4,634.12
  4. Step 4: Simplify right side
    8,170.34x = 52,247,015.21
  5. Step 5: Solve for x
    x = 52,247,015.21/8,170.34
  6. Step 6: Final answer
    x = 6,394.72

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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.