Home / 6,551.20-9,823.60-2,167.17

Finding the Fourth Proportional to 6,551.20, 9,823.60 and 2,167.17

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Solution

The fourth proportional to 6,551.20, 9,823.60 and 2,167.17 is: 3,249.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,551.20 : 9,823.60 = 2,167.17 : x
  2. Step 2: Convert to fraction form
    6,551.20/9,823.60 = 2,167.17/x
  3. Step 3: Cross multiply
    6,551.20x = 9,823.60 × 2,167.17
  4. Step 4: Simplify right side
    6,551.20x = 21,289,420.15
  5. Step 5: Solve for x
    x = 21,289,420.15/6,551.20
  6. Step 6: Final answer
    x = 3,249.70

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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.