Home / 10,243.36-15,351.68-4,313.44

Finding the Fourth Proportional to 10,243.36, 15,351.68 and 4,313.44

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Solution

The fourth proportional to 10,243.36, 15,351.68 and 4,313.44 is: 6,464.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,243.36 : 15,351.68 = 4,313.44 : x
  2. Step 2: Convert to fraction form
    10,243.36/15,351.68 = 4,313.44/x
  3. Step 3: Cross multiply
    10,243.36x = 15,351.68 × 4,313.44
  4. Step 4: Simplify right side
    10,243.36x = 66,218,550.58
  5. Step 5: Solve for x
    x = 66,218,550.58/10,243.36
  6. Step 6: Final answer
    x = 6,464.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.