Home / 11,940.12-17,900.60-6,013.76

Finding the Fourth Proportional to 11,940.12, 17,900.60 and 6,013.76

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Solution

The fourth proportional to 11,940.12, 17,900.60 and 6,013.76 is: 9,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,940.12 : 17,900.60 = 6,013.76 : x
  2. Step 2: Convert to fraction form
    11,940.12/17,900.60 = 6,013.76/x
  3. Step 3: Cross multiply
    11,940.12x = 17,900.60 × 6,013.76
  4. Step 4: Simplify right side
    11,940.12x = 107,649,792.68
  5. Step 5: Solve for x
    x = 107,649,792.68/11,940.12
  6. Step 6: Final answer
    x = 9,015.80

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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.