Home / 11,840.28-17,755.77-4,440.71

Finding the Fourth Proportional to 11,840.28, 17,755.77 and 4,440.71

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Solution

The fourth proportional to 11,840.28, 17,755.77 and 4,440.71 is: 6,659.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,840.28 : 17,755.77 = 4,440.71 : x
  2. Step 2: Convert to fraction form
    11,840.28/17,755.77 = 4,440.71/x
  3. Step 3: Cross multiply
    11,840.28x = 17,755.77 × 4,440.71
  4. Step 4: Simplify right side
    11,840.28x = 78,848,225.40
  5. Step 5: Solve for x
    x = 78,848,225.40/11,840.28
  6. Step 6: Final answer
    x = 6,659.32

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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.