Home / 9,418.13-14,127.19-3,874.49

Finding the Fourth Proportional to 9,418.13, 14,127.19 and 3,874.49

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Solution

The fourth proportional to 9,418.13, 14,127.19 and 3,874.49 is: 5,811.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.13 : 14,127.19 = 3,874.49 : x
  2. Step 2: Convert to fraction form
    9,418.13/14,127.19 = 3,874.49/x
  3. Step 3: Cross multiply
    9,418.13x = 14,127.19 × 3,874.49
  4. Step 4: Simplify right side
    9,418.13x = 54,735,576.06
  5. Step 5: Solve for x
    x = 54,735,576.06/9,418.13
  6. Step 6: Final answer
    x = 5,811.73

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Double scale
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Similar ratio
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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.