Home / 8,161.62-12,230.97-3,475.28

Finding the Fourth Proportional to 8,161.62, 12,230.97 and 3,475.28

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Solution

The fourth proportional to 8,161.62, 12,230.97 and 3,475.28 is: 5,208.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.62 : 12,230.97 = 3,475.28 : x
  2. Step 2: Convert to fraction form
    8,161.62/12,230.97 = 3,475.28/x
  3. Step 3: Cross multiply
    8,161.62x = 12,230.97 × 3,475.28
  4. Step 4: Simplify right side
    8,161.62x = 42,506,045.42
  5. Step 5: Solve for x
    x = 42,506,045.42/8,161.62
  6. Step 6: Final answer
    x = 5,208.04

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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.