Home / 10,839.41-16,261.38-6,161.57

Finding the Fourth Proportional to 10,839.41, 16,261.38 and 6,161.57

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Solution

The fourth proportional to 10,839.41, 16,261.38 and 6,161.57 is: 9,243.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,839.41 : 16,261.38 = 6,161.57 : x
  2. Step 2: Convert to fraction form
    10,839.41/16,261.38 = 6,161.57/x
  3. Step 3: Cross multiply
    10,839.41x = 16,261.38 × 6,161.57
  4. Step 4: Simplify right side
    10,839.41x = 100,195,631.17
  5. Step 5: Solve for x
    x = 100,195,631.17/10,839.41
  6. Step 6: Final answer
    x = 9,243.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.