Home / 7,369.82-10,170.40-4,012.62

Finding the Fourth Proportional to 7,369.82, 10,170.40 and 4,012.62

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Solution

The fourth proportional to 7,369.82, 10,170.40 and 4,012.62 is: 5,537.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,369.82 : 10,170.40 = 4,012.62 : x
  2. Step 2: Convert to fraction form
    7,369.82/10,170.40 = 4,012.62/x
  3. Step 3: Cross multiply
    7,369.82x = 10,170.40 × 4,012.62
  4. Step 4: Simplify right side
    7,369.82x = 40,809,949.22
  5. Step 5: Solve for x
    x = 40,809,949.22/7,369.82
  6. Step 6: Final answer
    x = 5,537.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.