Home / 8,435.73-12,653.81-2,195.59

Finding the Fourth Proportional to 8,435.73, 12,653.81 and 2,195.59

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Solution

The fourth proportional to 8,435.73, 12,653.81 and 2,195.59 is: 3,293.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,435.73 : 12,653.81 = 2,195.59 : x
  2. Step 2: Convert to fraction form
    8,435.73/12,653.81 = 2,195.59/x
  3. Step 3: Cross multiply
    8,435.73x = 12,653.81 × 2,195.59
  4. Step 4: Simplify right side
    8,435.73x = 27,782,578.70
  5. Step 5: Solve for x
    x = 27,782,578.70/8,435.73
  6. Step 6: Final answer
    x = 3,293.44

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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.