Home / 10,076.28-13,906.13-5,600.76

Finding the Fourth Proportional to 10,076.28, 13,906.13 and 5,600.76

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Solution

The fourth proportional to 10,076.28, 13,906.13 and 5,600.76 is: 7,729.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,076.28 : 13,906.13 = 5,600.76 : x
  2. Step 2: Convert to fraction form
    10,076.28/13,906.13 = 5,600.76/x
  3. Step 3: Cross multiply
    10,076.28x = 13,906.13 × 5,600.76
  4. Step 4: Simplify right side
    10,076.28x = 77,884,868.66
  5. Step 5: Solve for x
    x = 77,884,868.66/10,076.28
  6. Step 6: Final answer
    x = 7,729.53

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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.