Home / 12,944.53-17,857.83-8,226.28

Finding the Fourth Proportional to 12,944.53, 17,857.83 and 8,226.28

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Solution

The fourth proportional to 12,944.53, 17,857.83 and 8,226.28 is: 11,348.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944.53 : 17,857.83 = 8,226.28 : x
  2. Step 2: Convert to fraction form
    12,944.53/17,857.83 = 8,226.28/x
  3. Step 3: Cross multiply
    12,944.53x = 17,857.83 × 8,226.28
  4. Step 4: Simplify right side
    12,944.53x = 146,903,509.77
  5. Step 5: Solve for x
    x = 146,903,509.77/12,944.53
  6. Step 6: Final answer
    x = 11,348.69

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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.