Home / 7,173.11-10,763.84-3,012.80

Finding the Fourth Proportional to 7,173.11, 10,763.84 and 3,012.80

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Solution

The fourth proportional to 7,173.11, 10,763.84 and 3,012.80 is: 4,520.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,173.11 : 10,763.84 = 3,012.80 : x
  2. Step 2: Convert to fraction form
    7,173.11/10,763.84 = 3,012.80/x
  3. Step 3: Cross multiply
    7,173.11x = 10,763.84 × 3,012.80
  4. Step 4: Simplify right side
    7,173.11x = 32,429,282.09
  5. Step 5: Solve for x
    x = 32,429,282.09/7,173.11
  6. Step 6: Final answer
    x = 4,520.95

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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.