Home / 11,701.36-16,147.81-6,396.22

Finding the Fourth Proportional to 11,701.36, 16,147.81 and 6,396.22

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Solution

The fourth proportional to 11,701.36, 16,147.81 and 6,396.22 is: 8,826.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701.36 : 16,147.81 = 6,396.22 : x
  2. Step 2: Convert to fraction form
    11,701.36/16,147.81 = 6,396.22/x
  3. Step 3: Cross multiply
    11,701.36x = 16,147.81 × 6,396.22
  4. Step 4: Simplify right side
    11,701.36x = 103,284,912.90
  5. Step 5: Solve for x
    x = 103,284,912.90/11,701.36
  6. Step 6: Final answer
    x = 8,826.74

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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.