Home / 12,075.24-18,112.86-3,310.22

Finding the Fourth Proportional to 12,075.24, 18,112.86 and 3,310.22

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Solution

The fourth proportional to 12,075.24, 18,112.86 and 3,310.22 is: 4,965.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,075.24 : 18,112.86 = 3,310.22 : x
  2. Step 2: Convert to fraction form
    12,075.24/18,112.86 = 3,310.22/x
  3. Step 3: Cross multiply
    12,075.24x = 18,112.86 × 3,310.22
  4. Step 4: Simplify right side
    12,075.24x = 59,957,551.43
  5. Step 5: Solve for x
    x = 59,957,551.43/12,075.24
  6. Step 6: Final answer
    x = 4,965.33

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Similar ratio
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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.