Home / 10,077.21-13,906.31-5,600.92

Finding the Fourth Proportional to 10,077.21, 13,906.31 and 5,600.92

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Solution

The fourth proportional to 10,077.21, 13,906.31 and 5,600.92 is: 7,729.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077.21 : 13,906.31 = 5,600.92 : x
  2. Step 2: Convert to fraction form
    10,077.21/13,906.31 = 5,600.92/x
  3. Step 3: Cross multiply
    10,077.21x = 13,906.31 × 5,600.92
  4. Step 4: Simplify right side
    10,077.21x = 77,888,147.97
  5. Step 5: Solve for x
    x = 77,888,147.97/10,077.21
  6. Step 6: Final answer
    x = 7,729.14

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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.