Home / 7,414.32-10,229.76-4,428.84

Finding the Fourth Proportional to 7,414.32, 10,229.76 and 4,428.84

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Solution

The fourth proportional to 7,414.32, 10,229.76 and 4,428.84 is: 6,110.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,414.32 : 10,229.76 = 4,428.84 : x
  2. Step 2: Convert to fraction form
    7,414.32/10,229.76 = 4,428.84/x
  3. Step 3: Cross multiply
    7,414.32x = 10,229.76 × 4,428.84
  4. Step 4: Simplify right side
    7,414.32x = 45,305,970.28
  5. Step 5: Solve for x
    x = 45,305,970.28/7,414.32
  6. Step 6: Final answer
    x = 6,110.60

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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.