Home / 8,299.21-12,456.63-5,527.83

Finding the Fourth Proportional to 8,299.21, 12,456.63 and 5,527.83

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Solution

The fourth proportional to 8,299.21, 12,456.63 and 5,527.83 is: 8,296.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,299.21 : 12,456.63 = 5,527.83 : x
  2. Step 2: Convert to fraction form
    8,299.21/12,456.63 = 5,527.83/x
  3. Step 3: Cross multiply
    8,299.21x = 12,456.63 × 5,527.83
  4. Step 4: Simplify right side
    8,299.21x = 68,858,133.01
  5. Step 5: Solve for x
    x = 68,858,133.01/8,299.21
  6. Step 6: Final answer
    x = 8,296.95

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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.