Home / 10,081.14-13,912.14-5,605.26

Finding the Fourth Proportional to 10,081.14, 13,912.14 and 5,605.26

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Solution

The fourth proportional to 10,081.14, 13,912.14 and 5,605.26 is: 7,735.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,081.14 : 13,912.14 = 5,605.26 : x
  2. Step 2: Convert to fraction form
    10,081.14/13,912.14 = 5,605.26/x
  3. Step 3: Cross multiply
    10,081.14x = 13,912.14 × 5,605.26
  4. Step 4: Simplify right side
    10,081.14x = 77,981,161.86
  5. Step 5: Solve for x
    x = 77,981,161.86/10,081.14
  6. Step 6: Final answer
    x = 7,735.35

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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.