Home / 11,115.63-16,671.69-3,322.62

Finding the Fourth Proportional to 11,115.63, 16,671.69 and 3,322.62

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Solution

The fourth proportional to 11,115.63, 16,671.69 and 3,322.62 is: 4,983.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,115.63 : 16,671.69 = 3,322.62 : x
  2. Step 2: Convert to fraction form
    11,115.63/16,671.69 = 3,322.62/x
  3. Step 3: Cross multiply
    11,115.63x = 16,671.69 × 3,322.62
  4. Step 4: Simplify right side
    11,115.63x = 55,393,690.63
  5. Step 5: Solve for x
    x = 55,393,690.63/11,115.63
  6. Step 6: Final answer
    x = 4,983.41

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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.