Home / 7,947.70-11,914.46-3,013.99

Finding the Fourth Proportional to 7,947.70, 11,914.46 and 3,013.99

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Solution

The fourth proportional to 7,947.70, 11,914.46 and 3,013.99 is: 4,518.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,947.70 : 11,914.46 = 3,013.99 : x
  2. Step 2: Convert to fraction form
    7,947.70/11,914.46 = 3,013.99/x
  3. Step 3: Cross multiply
    7,947.70x = 11,914.46 × 3,013.99
  4. Step 4: Simplify right side
    7,947.70x = 35,909,988.65
  5. Step 5: Solve for x
    x = 35,909,988.65/7,947.70
  6. Step 6: Final answer
    x = 4,518.29

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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.