Home / 11,051.81-15,265.19-8,022.09

Finding the Fourth Proportional to 11,051.81, 15,265.19 and 8,022.09

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Solution

The fourth proportional to 11,051.81, 15,265.19 and 8,022.09 is: 11,080.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,051.81 : 15,265.19 = 8,022.09 : x
  2. Step 2: Convert to fraction form
    11,051.81/15,265.19 = 8,022.09/x
  3. Step 3: Cross multiply
    11,051.81x = 15,265.19 × 8,022.09
  4. Step 4: Simplify right side
    11,051.81x = 122,458,651.72
  5. Step 5: Solve for x
    x = 122,458,651.72/11,051.81
  6. Step 6: Final answer
    x = 11,080.42

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Half scale
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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.