Home / 8,226.20-11,352.44-4,641.12

Finding the Fourth Proportional to 8,226.20, 11,352.44 and 4,641.12

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Solution

The fourth proportional to 8,226.20, 11,352.44 and 4,641.12 is: 6,404.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,226.20 : 11,352.44 = 4,641.12 : x
  2. Step 2: Convert to fraction form
    8,226.20/11,352.44 = 4,641.12/x
  3. Step 3: Cross multiply
    8,226.20x = 11,352.44 × 4,641.12
  4. Step 4: Simplify right side
    8,226.20x = 52,688,036.33
  5. Step 5: Solve for x
    x = 52,688,036.33/8,226.20
  6. Step 6: Final answer
    x = 6,404.91

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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.