Home / 11,175.29-16,766.58-5,331.14

Finding the Fourth Proportional to 11,175.29, 16,766.58 and 5,331.14

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Solution

The fourth proportional to 11,175.29, 16,766.58 and 5,331.14 is: 7,998.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,175.29 : 16,766.58 = 5,331.14 : x
  2. Step 2: Convert to fraction form
    11,175.29/16,766.58 = 5,331.14/x
  3. Step 3: Cross multiply
    11,175.29x = 16,766.58 × 5,331.14
  4. Step 4: Simplify right side
    11,175.29x = 89,384,985.30
  5. Step 5: Solve for x
    x = 89,384,985.30/11,175.29
  6. Step 6: Final answer
    x = 7,998.45

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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.