Home / 8,805.42-13,208.18-2,231.62

Finding the Fourth Proportional to 8,805.42, 13,208.18 and 2,231.62

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Solution

The fourth proportional to 8,805.42, 13,208.18 and 2,231.62 is: 3,347.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.42 : 13,208.18 = 2,231.62 : x
  2. Step 2: Convert to fraction form
    8,805.42/13,208.18 = 2,231.62/x
  3. Step 3: Cross multiply
    8,805.42x = 13,208.18 × 2,231.62
  4. Step 4: Simplify right side
    8,805.42x = 29,475,594.47
  5. Step 5: Solve for x
    x = 29,475,594.47/8,805.42
  6. Step 6: Final answer
    x = 3,347.44

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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.