Home / 8,318.56-12,481.52-6,466.92

Finding the Fourth Proportional to 8,318.56, 12,481.52 and 6,466.92

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Solution

The fourth proportional to 8,318.56, 12,481.52 and 6,466.92 is: 9,703.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318.56 : 12,481.52 = 6,466.92 : x
  2. Step 2: Convert to fraction form
    8,318.56/12,481.52 = 6,466.92/x
  3. Step 3: Cross multiply
    8,318.56x = 12,481.52 × 6,466.92
  4. Step 4: Simplify right side
    8,318.56x = 80,716,991.32
  5. Step 5: Solve for x
    x = 80,716,991.32/8,318.56
  6. Step 6: Final answer
    x = 9,703.24

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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.