Home / 7,075.08-10,611.22-2,143.56

Finding the Fourth Proportional to 7,075.08, 10,611.22 and 2,143.56

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Solution

The fourth proportional to 7,075.08, 10,611.22 and 2,143.56 is: 3,214.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,075.08 : 10,611.22 = 2,143.56 : x
  2. Step 2: Convert to fraction form
    7,075.08/10,611.22 = 2,143.56/x
  3. Step 3: Cross multiply
    7,075.08x = 10,611.22 × 2,143.56
  4. Step 4: Simplify right side
    7,075.08x = 22,745,786.74
  5. Step 5: Solve for x
    x = 22,745,786.74/7,075.08
  6. Step 6: Final answer
    x = 3,214.92

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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.