Home / 8,352.17-12,520.97-4,186.34

Finding the Fourth Proportional to 8,352.17, 12,520.97 and 4,186.34

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Solution

The fourth proportional to 8,352.17, 12,520.97 and 4,186.34 is: 6,275.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352.17 : 12,520.97 = 4,186.34 : x
  2. Step 2: Convert to fraction form
    8,352.17/12,520.97 = 4,186.34/x
  3. Step 3: Cross multiply
    8,352.17x = 12,520.97 × 4,186.34
  4. Step 4: Simplify right side
    8,352.17x = 52,417,016.62
  5. Step 5: Solve for x
    x = 52,417,016.62/8,352.17
  6. Step 6: Final answer
    x = 6,275.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.