Home / 8,494.31-12,684.27-6,937.41

Finding the Fourth Proportional to 8,494.31, 12,684.27 and 6,937.41

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Solution

The fourth proportional to 8,494.31, 12,684.27 and 6,937.41 is: 10,359.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,494.31 : 12,684.27 = 6,937.41 : x
  2. Step 2: Convert to fraction form
    8,494.31/12,684.27 = 6,937.41/x
  3. Step 3: Cross multiply
    8,494.31x = 12,684.27 × 6,937.41
  4. Step 4: Simplify right side
    8,494.31x = 87,995,883.43
  5. Step 5: Solve for x
    x = 87,995,883.43/8,494.31
  6. Step 6: Final answer
    x = 10,359.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.