Home / 8,285.22-12,423.87-3,350.70

Finding the Fourth Proportional to 8,285.22, 12,423.87 and 3,350.70

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Solution

The fourth proportional to 8,285.22, 12,423.87 and 3,350.70 is: 5,024.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,285.22 : 12,423.87 = 3,350.70 : x
  2. Step 2: Convert to fraction form
    8,285.22/12,423.87 = 3,350.70/x
  3. Step 3: Cross multiply
    8,285.22x = 12,423.87 × 3,350.70
  4. Step 4: Simplify right side
    8,285.22x = 41,628,661.21
  5. Step 5: Solve for x
    x = 41,628,661.21/8,285.22
  6. Step 6: Final answer
    x = 5,024.45

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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.