Home / 8,507.45-12,759.22-3,243.06

Finding the Fourth Proportional to 8,507.45, 12,759.22 and 3,243.06

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Solution

The fourth proportional to 8,507.45, 12,759.22 and 3,243.06 is: 4,863.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,507.45 : 12,759.22 = 3,243.06 : x
  2. Step 2: Convert to fraction form
    8,507.45/12,759.22 = 3,243.06/x
  3. Step 3: Cross multiply
    8,507.45x = 12,759.22 × 3,243.06
  4. Step 4: Simplify right side
    8,507.45x = 41,378,916.01
  5. Step 5: Solve for x
    x = 41,378,916.01/8,507.45
  6. Step 6: Final answer
    x = 4,863.84

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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.