Home / 7,936.63-11,905.55-2,671.65

Finding the Fourth Proportional to 7,936.63, 11,905.55 and 2,671.65

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Solution

The fourth proportional to 7,936.63, 11,905.55 and 2,671.65 is: 4,007.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.63 : 11,905.55 = 2,671.65 : x
  2. Step 2: Convert to fraction form
    7,936.63/11,905.55 = 2,671.65/x
  3. Step 3: Cross multiply
    7,936.63x = 11,905.55 × 2,671.65
  4. Step 4: Simplify right side
    7,936.63x = 31,807,449.30
  5. Step 5: Solve for x
    x = 31,807,449.30/7,936.63
  6. Step 6: Final answer
    x = 4,007.68

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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.