Home / 10,076.44-13,905.64-5,600.38

Finding the Fourth Proportional to 10,076.44, 13,905.64 and 5,600.38

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Solution

The fourth proportional to 10,076.44, 13,905.64 and 5,600.38 is: 7,728.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,076.44 : 13,905.64 = 5,600.38 : x
  2. Step 2: Convert to fraction form
    10,076.44/13,905.64 = 5,600.38/x
  3. Step 3: Cross multiply
    10,076.44x = 13,905.64 × 5,600.38
  4. Step 4: Simplify right side
    10,076.44x = 77,876,868.14
  5. Step 5: Solve for x
    x = 77,876,868.14/10,076.44
  6. Step 6: Final answer
    x = 7,728.61

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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.