Home / 7,974.26-11,948.42-4,690.34

Finding the Fourth Proportional to 7,974.26, 11,948.42 and 4,690.34

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Solution

The fourth proportional to 7,974.26, 11,948.42 and 4,690.34 is: 7,027.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.26 : 11,948.42 = 4,690.34 : x
  2. Step 2: Convert to fraction form
    7,974.26/11,948.42 = 4,690.34/x
  3. Step 3: Cross multiply
    7,974.26x = 11,948.42 × 4,690.34
  4. Step 4: Simplify right side
    7,974.26x = 56,042,152.26
  5. Step 5: Solve for x
    x = 56,042,152.26/7,974.26
  6. Step 6: Final answer
    x = 7,027.88

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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.