Home / 12,075.54-18,112.68-3,754.95

Finding the Fourth Proportional to 12,075.54, 18,112.68 and 3,754.95

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Solution

The fourth proportional to 12,075.54, 18,112.68 and 3,754.95 is: 5,632.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,075.54 : 18,112.68 = 3,754.95 : x
  2. Step 2: Convert to fraction form
    12,075.54/18,112.68 = 3,754.95/x
  3. Step 3: Cross multiply
    12,075.54x = 18,112.68 × 3,754.95
  4. Step 4: Simplify right side
    12,075.54x = 68,012,207.77
  5. Step 5: Solve for x
    x = 68,012,207.77/12,075.54
  6. Step 6: Final answer
    x = 5,632.23

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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.