Home / 10,126.49-13,974.49-5,649.97

Finding the Fourth Proportional to 10,126.49, 13,974.49 and 5,649.97

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Solution

The fourth proportional to 10,126.49, 13,974.49 and 5,649.97 is: 7,796.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.49 : 13,974.49 = 5,649.97 : x
  2. Step 2: Convert to fraction form
    10,126.49/13,974.49 = 5,649.97/x
  3. Step 3: Cross multiply
    10,126.49x = 13,974.49 × 5,649.97
  4. Step 4: Simplify right side
    10,126.49x = 78,955,447.59
  5. Step 5: Solve for x
    x = 78,955,447.59/10,126.49
  6. Step 6: Final answer
    x = 7,796.93

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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.