Home / 7,621.32-11,424.27-3,235.98

Finding the Fourth Proportional to 7,621.32, 11,424.27 and 3,235.98

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Solution

The fourth proportional to 7,621.32, 11,424.27 and 3,235.98 is: 4,850.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.32 : 11,424.27 = 3,235.98 : x
  2. Step 2: Convert to fraction form
    7,621.32/11,424.27 = 3,235.98/x
  3. Step 3: Cross multiply
    7,621.32x = 11,424.27 × 3,235.98
  4. Step 4: Simplify right side
    7,621.32x = 36,968,709.23
  5. Step 5: Solve for x
    x = 36,968,709.23/7,621.32
  6. Step 6: Final answer
    x = 4,850.70

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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.