Home / 9,213.85-12,715.11-5,022.10

Finding the Fourth Proportional to 9,213.85, 12,715.11 and 5,022.10

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Solution

The fourth proportional to 9,213.85, 12,715.11 and 5,022.10 is: 6,930.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,213.85 : 12,715.11 = 5,022.10 : x
  2. Step 2: Convert to fraction form
    9,213.85/12,715.11 = 5,022.10/x
  3. Step 3: Cross multiply
    9,213.85x = 12,715.11 × 5,022.10
  4. Step 4: Simplify right side
    9,213.85x = 63,856,553.93
  5. Step 5: Solve for x
    x = 63,856,553.93/9,213.85
  6. Step 6: Final answer
    x = 6,930.50

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Half scale
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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.