Home / 8,195.70-12,295.35-2,648.10

Finding the Fourth Proportional to 8,195.70, 12,295.35 and 2,648.10

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Solution

The fourth proportional to 8,195.70, 12,295.35 and 2,648.10 is: 3,972.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195.70 : 12,295.35 = 2,648.10 : x
  2. Step 2: Convert to fraction form
    8,195.70/12,295.35 = 2,648.10/x
  3. Step 3: Cross multiply
    8,195.70x = 12,295.35 × 2,648.10
  4. Step 4: Simplify right side
    8,195.70x = 32,559,316.34
  5. Step 5: Solve for x
    x = 32,559,316.34/8,195.70
  6. Step 6: Final answer
    x = 3,972.73

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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.