Home / 11,376.15-17,063.00-3,980.75

Finding the Fourth Proportional to 11,376.15, 17,063.00 and 3,980.75

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Solution

The fourth proportional to 11,376.15, 17,063.00 and 3,980.75 is: 5,970.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,376.15 : 17,063.00 = 3,980.75 : x
  2. Step 2: Convert to fraction form
    11,376.15/17,063.00 = 3,980.75/x
  3. Step 3: Cross multiply
    11,376.15x = 17,063.00 × 3,980.75
  4. Step 4: Simplify right side
    11,376.15x = 67,923,469.35
  5. Step 5: Solve for x
    x = 67,923,469.35/11,376.15
  6. Step 6: Final answer
    x = 5,970.69

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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.