Home / 11,900.56-17,840.36-4,499.61

Finding the Fourth Proportional to 11,900.56, 17,840.36 and 4,499.61

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Solution

The fourth proportional to 11,900.56, 17,840.36 and 4,499.61 is: 6,745.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,900.56 : 17,840.36 = 4,499.61 : x
  2. Step 2: Convert to fraction form
    11,900.56/17,840.36 = 4,499.61/x
  3. Step 3: Cross multiply
    11,900.56x = 17,840.36 × 4,499.61
  4. Step 4: Simplify right side
    11,900.56x = 80,274,662.26
  5. Step 5: Solve for x
    x = 80,274,662.26/11,900.56
  6. Step 6: Final answer
    x = 6,745.45

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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.