Home / 7,213.08-9,954.12-4,227.96

Finding the Fourth Proportional to 7,213.08, 9,954.12 and 4,227.96

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Solution

The fourth proportional to 7,213.08, 9,954.12 and 4,227.96 is: 5,834.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213.08 : 9,954.12 = 4,227.96 : x
  2. Step 2: Convert to fraction form
    7,213.08/9,954.12 = 4,227.96/x
  3. Step 3: Cross multiply
    7,213.08x = 9,954.12 × 4,227.96
  4. Step 4: Simplify right side
    7,213.08x = 42,085,621.20
  5. Step 5: Solve for x
    x = 42,085,621.20/7,213.08
  6. Step 6: Final answer
    x = 5,834.63

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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.