Home / 7,675.44-11,518.62-3,512.85

Finding the Fourth Proportional to 7,675.44, 11,518.62 and 3,512.85

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Solution

The fourth proportional to 7,675.44, 11,518.62 and 3,512.85 is: 5,271.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,675.44 : 11,518.62 = 3,512.85 : x
  2. Step 2: Convert to fraction form
    7,675.44/11,518.62 = 3,512.85/x
  3. Step 3: Cross multiply
    7,675.44x = 11,518.62 × 3,512.85
  4. Step 4: Simplify right side
    7,675.44x = 40,463,127.90
  5. Step 5: Solve for x
    x = 40,463,127.90/7,675.44
  6. Step 6: Final answer
    x = 5,271.77

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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.