Home / 11,171.69-15,416.31-6,136.57

Finding the Fourth Proportional to 11,171.69, 15,416.31 and 6,136.57

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Solution

The fourth proportional to 11,171.69, 15,416.31 and 6,136.57 is: 8,468.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,171.69 : 15,416.31 = 6,136.57 : x
  2. Step 2: Convert to fraction form
    11,171.69/15,416.31 = 6,136.57/x
  3. Step 3: Cross multiply
    11,171.69x = 15,416.31 × 6,136.57
  4. Step 4: Simplify right side
    11,171.69x = 94,603,265.46
  5. Step 5: Solve for x
    x = 94,603,265.46/11,171.69
  6. Step 6: Final answer
    x = 8,468.12

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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.