Home / 8,025.89-11,078.30-5,636.44

Finding the Fourth Proportional to 8,025.89, 11,078.30 and 5,636.44

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Solution

The fourth proportional to 8,025.89, 11,078.30 and 5,636.44 is: 7,780.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,025.89 : 11,078.30 = 5,636.44 : x
  2. Step 2: Convert to fraction form
    8,025.89/11,078.30 = 5,636.44/x
  3. Step 3: Cross multiply
    8,025.89x = 11,078.30 × 5,636.44
  4. Step 4: Simplify right side
    8,025.89x = 62,442,117.37
  5. Step 5: Solve for x
    x = 62,442,117.37/8,025.89
  6. Step 6: Final answer
    x = 7,780.09

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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.