Home / 7,382.14-11,075.37-2,188.15

Finding the Fourth Proportional to 7,382.14, 11,075.37 and 2,188.15

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Solution

The fourth proportional to 7,382.14, 11,075.37 and 2,188.15 is: 3,282.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.14 : 11,075.37 = 2,188.15 : x
  2. Step 2: Convert to fraction form
    7,382.14/11,075.37 = 2,188.15/x
  3. Step 3: Cross multiply
    7,382.14x = 11,075.37 × 2,188.15
  4. Step 4: Simplify right side
    7,382.14x = 24,234,570.87
  5. Step 5: Solve for x
    x = 24,234,570.87/7,382.14
  6. Step 6: Final answer
    x = 3,282.87

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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.