Home / 12,571.12-18,860.77-5,996.45

Finding the Fourth Proportional to 12,571.12, 18,860.77 and 5,996.45

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Solution

The fourth proportional to 12,571.12, 18,860.77 and 5,996.45 is: 8,996.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,571.12 : 18,860.77 = 5,996.45 : x
  2. Step 2: Convert to fraction form
    12,571.12/18,860.77 = 5,996.45/x
  3. Step 3: Cross multiply
    12,571.12x = 18,860.77 × 5,996.45
  4. Step 4: Simplify right side
    12,571.12x = 113,097,604.39
  5. Step 5: Solve for x
    x = 113,097,604.39/12,571.12
  6. Step 6: Final answer
    x = 8,996.62

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Double scale
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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.