Home / 11,382.78-17,081.44-5,536.20

Finding the Fourth Proportional to 11,382.78, 17,081.44 and 5,536.20

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Solution

The fourth proportional to 11,382.78, 17,081.44 and 5,536.20 is: 8,307.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,382.78 : 17,081.44 = 5,536.20 : x
  2. Step 2: Convert to fraction form
    11,382.78/17,081.44 = 5,536.20/x
  3. Step 3: Cross multiply
    11,382.78x = 17,081.44 × 5,536.20
  4. Step 4: Simplify right side
    11,382.78x = 94,566,254.29
  5. Step 5: Solve for x
    x = 94,566,254.29/11,382.78
  6. Step 6: Final answer
    x = 8,307.83

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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.