Home / 7,907.61-11,861.49-3,226.37

Finding the Fourth Proportional to 7,907.61, 11,861.49 and 3,226.37

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Solution

The fourth proportional to 7,907.61, 11,861.49 and 3,226.37 is: 4,839.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,907.61 : 11,861.49 = 3,226.37 : x
  2. Step 2: Convert to fraction form
    7,907.61/11,861.49 = 3,226.37/x
  3. Step 3: Cross multiply
    7,907.61x = 11,861.49 × 3,226.37
  4. Step 4: Simplify right side
    7,907.61x = 38,269,555.49
  5. Step 5: Solve for x
    x = 38,269,555.49/7,907.61
  6. Step 6: Final answer
    x = 4,839.59

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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.