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Finding the Fourth Proportional to 7,309.36, 10,086.42 and 4,324.42

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Solution

The fourth proportional to 7,309.36, 10,086.42 and 4,324.42 is: 5,967.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,309.36 : 10,086.42 = 4,324.42 : x
  2. Step 2: Convert to fraction form
    7,309.36/10,086.42 = 4,324.42/x
  3. Step 3: Cross multiply
    7,309.36x = 10,086.42 × 4,324.42
  4. Step 4: Simplify right side
    7,309.36x = 43,617,916.38
  5. Step 5: Solve for x
    x = 43,617,916.38/7,309.36
  6. Step 6: Final answer
    x = 5,967.41

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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.