Home / 6,505.20-8,974.96-3,672.24

Finding the Fourth Proportional to 6,505.20, 8,974.96 and 3,672.24

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Solution

The fourth proportional to 6,505.20, 8,974.96 and 3,672.24 is: 5,066.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,505.20 : 8,974.96 = 3,672.24 : x
  2. Step 2: Convert to fraction form
    6,505.20/8,974.96 = 3,672.24/x
  3. Step 3: Cross multiply
    6,505.20x = 8,974.96 × 3,672.24
  4. Step 4: Simplify right side
    6,505.20x = 32,958,207.11
  5. Step 5: Solve for x
    x = 32,958,207.11/6,505.20
  6. Step 6: Final answer
    x = 5,066.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.