Home / 8,549.32-12,790.24-6,475.32

Finding the Fourth Proportional to 8,549.32, 12,790.24 and 6,475.32

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Solution

The fourth proportional to 8,549.32, 12,790.24 and 6,475.32 is: 9,687.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,549.32 : 12,790.24 = 6,475.32 : x
  2. Step 2: Convert to fraction form
    8,549.32/12,790.24 = 6,475.32/x
  3. Step 3: Cross multiply
    8,549.32x = 12,790.24 × 6,475.32
  4. Step 4: Simplify right side
    8,549.32x = 82,820,896.88
  5. Step 5: Solve for x
    x = 82,820,896.88/8,549.32
  6. Step 6: Final answer
    x = 9,687.43

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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.