Home / 11,657.43-17,485.83-3,759.93

Finding the Fourth Proportional to 11,657.43, 17,485.83 and 3,759.93

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Solution

The fourth proportional to 11,657.43, 17,485.83 and 3,759.93 is: 5,639.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,657.43 : 17,485.83 = 3,759.93 : x
  2. Step 2: Convert to fraction form
    11,657.43/17,485.83 = 3,759.93/x
  3. Step 3: Cross multiply
    11,657.43x = 17,485.83 × 3,759.93
  4. Step 4: Simplify right side
    11,657.43x = 65,745,496.79
  5. Step 5: Solve for x
    x = 65,745,496.79/11,657.43
  6. Step 6: Final answer
    x = 5,639.79

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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.