Home / 8,944.44-12,340.62-5,167.14

Finding the Fourth Proportional to 8,944.44, 12,340.62 and 5,167.14

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Solution

The fourth proportional to 8,944.44, 12,340.62 and 5,167.14 is: 7,129.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,944.44 : 12,340.62 = 5,167.14 : x
  2. Step 2: Convert to fraction form
    8,944.44/12,340.62 = 5,167.14/x
  3. Step 3: Cross multiply
    8,944.44x = 12,340.62 × 5,167.14
  4. Step 4: Simplify right side
    8,944.44x = 63,765,711.23
  5. Step 5: Solve for x
    x = 63,765,711.23/8,944.44
  6. Step 6: Final answer
    x = 7,129.09

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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.