Home / 8,052.23-12,075.62-3,120.55

Finding the Fourth Proportional to 8,052.23, 12,075.62 and 3,120.55

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Solution

The fourth proportional to 8,052.23, 12,075.62 and 3,120.55 is: 4,679.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,052.23 : 12,075.62 = 3,120.55 : x
  2. Step 2: Convert to fraction form
    8,052.23/12,075.62 = 3,120.55/x
  3. Step 3: Cross multiply
    8,052.23x = 12,075.62 × 3,120.55
  4. Step 4: Simplify right side
    8,052.23x = 37,682,530.20
  5. Step 5: Solve for x
    x = 37,682,530.20/8,052.23
  6. Step 6: Final answer
    x = 4,679.76

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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.