Home / 6,157.40-9,236.10-5,682.20

Finding the Fourth Proportional to 6,157.40, 9,236.10 and 5,682.20

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Solution

The fourth proportional to 6,157.40, 9,236.10 and 5,682.20 is: 8,523.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,157.40 : 9,236.10 = 5,682.20 : x
  2. Step 2: Convert to fraction form
    6,157.40/9,236.10 = 5,682.20/x
  3. Step 3: Cross multiply
    6,157.40x = 9,236.10 × 5,682.20
  4. Step 4: Simplify right side
    6,157.40x = 52,481,367.42
  5. Step 5: Solve for x
    x = 52,481,367.42/6,157.40
  6. Step 6: Final answer
    x = 8,523.30

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Half scale
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Double scale
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Similar ratio
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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.