Home / 8,470.37-11,687.73-5,324.33

Finding the Fourth Proportional to 8,470.37, 11,687.73 and 5,324.33

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Solution

The fourth proportional to 8,470.37, 11,687.73 and 5,324.33 is: 7,346.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,470.37 : 11,687.73 = 5,324.33 : x
  2. Step 2: Convert to fraction form
    8,470.37/11,687.73 = 5,324.33/x
  3. Step 3: Cross multiply
    8,470.37x = 11,687.73 × 5,324.33
  4. Step 4: Simplify right side
    8,470.37x = 62,229,331.47
  5. Step 5: Solve for x
    x = 62,229,331.47/8,470.37
  6. Step 6: Final answer
    x = 7,346.71

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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.