Home / 10,190.97-14,057.56-6,408.14

Finding the Fourth Proportional to 10,190.97, 14,057.56 and 6,408.14

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Solution

The fourth proportional to 10,190.97, 14,057.56 and 6,408.14 is: 8,839.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,190.97 : 14,057.56 = 6,408.14 : x
  2. Step 2: Convert to fraction form
    10,190.97/14,057.56 = 6,408.14/x
  3. Step 3: Cross multiply
    10,190.97x = 14,057.56 × 6,408.14
  4. Step 4: Simplify right side
    10,190.97x = 90,082,812.54
  5. Step 5: Solve for x
    x = 90,082,812.54/10,190.97
  6. Step 6: Final answer
    x = 8,839.47

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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.