Home / 8,126.55-12,169.01-5,624.27

Finding the Fourth Proportional to 8,126.55, 12,169.01 and 5,624.27

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Solution

The fourth proportional to 8,126.55, 12,169.01 and 5,624.27 is: 8,422.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126.55 : 12,169.01 = 5,624.27 : x
  2. Step 2: Convert to fraction form
    8,126.55/12,169.01 = 5,624.27/x
  3. Step 3: Cross multiply
    8,126.55x = 12,169.01 × 5,624.27
  4. Step 4: Simplify right side
    8,126.55x = 68,441,797.87
  5. Step 5: Solve for x
    x = 68,441,797.87/8,126.55
  6. Step 6: Final answer
    x = 8,422.00

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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.