Home / 7,324.58-10,105.13-5,414.99

Finding the Fourth Proportional to 7,324.58, 10,105.13 and 5,414.99

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Solution

The fourth proportional to 7,324.58, 10,105.13 and 5,414.99 is: 7,470.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,324.58 : 10,105.13 = 5,414.99 : x
  2. Step 2: Convert to fraction form
    7,324.58/10,105.13 = 5,414.99/x
  3. Step 3: Cross multiply
    7,324.58x = 10,105.13 × 5,414.99
  4. Step 4: Simplify right side
    7,324.58x = 54,719,140.91
  5. Step 5: Solve for x
    x = 54,719,140.91/7,324.58
  6. Step 6: Final answer
    x = 7,470.62

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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.