Home / 11,171.17-15,415.62-6,136.08

Finding the Fourth Proportional to 11,171.17, 15,415.62 and 6,136.08

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Solution

The fourth proportional to 11,171.17, 15,415.62 and 6,136.08 is: 8,467.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,171.17 : 15,415.62 = 6,136.08 : x
  2. Step 2: Convert to fraction form
    11,171.17/15,415.62 = 6,136.08/x
  3. Step 3: Cross multiply
    11,171.17x = 15,415.62 × 6,136.08
  4. Step 4: Simplify right side
    11,171.17x = 94,591,396.75
  5. Step 5: Solve for x
    x = 94,591,396.75/11,171.17
  6. Step 6: Final answer
    x = 8,467.46

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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.