Home / 7,274.10-10,911.15-6,183.30

Finding the Fourth Proportional to 7,274.10, 10,911.15 and 6,183.30

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Solution

The fourth proportional to 7,274.10, 10,911.15 and 6,183.30 is: 9,274.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,274.10 : 10,911.15 = 6,183.30 : x
  2. Step 2: Convert to fraction form
    7,274.10/10,911.15 = 6,183.30/x
  3. Step 3: Cross multiply
    7,274.10x = 10,911.15 × 6,183.30
  4. Step 4: Simplify right side
    7,274.10x = 67,466,913.80
  5. Step 5: Solve for x
    x = 67,466,913.80/7,274.10
  6. Step 6: Final answer
    x = 9,274.95

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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.