Home / 8,526.20-12,790.58-2,982.83

Finding the Fourth Proportional to 8,526.20, 12,790.58 and 2,982.83

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Solution

The fourth proportional to 8,526.20, 12,790.58 and 2,982.83 is: 4,474.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,526.20 : 12,790.58 = 2,982.83 : x
  2. Step 2: Convert to fraction form
    8,526.20/12,790.58 = 2,982.83/x
  3. Step 3: Cross multiply
    8,526.20x = 12,790.58 × 2,982.83
  4. Step 4: Simplify right side
    8,526.20x = 38,152,046.87
  5. Step 5: Solve for x
    x = 38,152,046.87/8,526.20
  6. Step 6: Final answer
    x = 4,474.69

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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.