Home / 9,227.92-12,736.76-5,251.20

Finding the Fourth Proportional to 9,227.92, 12,736.76 and 5,251.20

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Solution

The fourth proportional to 9,227.92, 12,736.76 and 5,251.20 is: 7,247.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,227.92 : 12,736.76 = 5,251.20 : x
  2. Step 2: Convert to fraction form
    9,227.92/12,736.76 = 5,251.20/x
  3. Step 3: Cross multiply
    9,227.92x = 12,736.76 × 5,251.20
  4. Step 4: Simplify right side
    9,227.92x = 66,883,274.11
  5. Step 5: Solve for x
    x = 66,883,274.11/9,227.92
  6. Step 6: Final answer
    x = 7,247.93

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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.