Home / 8,226.90-11,353.41-4,689.54

Finding the Fourth Proportional to 8,226.90, 11,353.41 and 4,689.54

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Solution

The fourth proportional to 8,226.90, 11,353.41 and 4,689.54 is: 6,471.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,226.90 : 11,353.41 = 4,689.54 : x
  2. Step 2: Convert to fraction form
    8,226.90/11,353.41 = 4,689.54/x
  3. Step 3: Cross multiply
    8,226.90x = 11,353.41 × 4,689.54
  4. Step 4: Simplify right side
    8,226.90x = 53,242,270.33
  5. Step 5: Solve for x
    x = 53,242,270.33/8,226.90
  6. Step 6: Final answer
    x = 6,471.73

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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.