Home / 11,840.16-17,755.58-4,440.58

Finding the Fourth Proportional to 11,840.16, 17,755.58 and 4,440.58

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Solution

The fourth proportional to 11,840.16, 17,755.58 and 4,440.58 is: 6,659.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,840.16 : 17,755.58 = 4,440.58 : x
  2. Step 2: Convert to fraction form
    11,840.16/17,755.58 = 4,440.58/x
  3. Step 3: Cross multiply
    11,840.16x = 17,755.58 × 4,440.58
  4. Step 4: Simplify right side
    11,840.16x = 78,845,084.54
  5. Step 5: Solve for x
    x = 78,845,084.54/11,840.16
  6. Step 6: Final answer
    x = 6,659.13

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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.