Finding the Fourth Proportional to 6,828.25, 10,244 and 2,211.25
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Solution
The fourth proportional to 6,828.25, 10,244 and 2,211.25 is: 3,317.40
Step by Step Solution
- Step 1: Write the proportion equation
6,828.25 : 10,244 = 2,211.25 : x - Step 2: Convert to fraction form
6,828.25/10,244 = 2,211.25/x - Step 3: Cross multiply
6,828.25x = 10,244 × 2,211.25 - Step 4: Simplify right side
6,828.25x = 22,652,045 - Step 5: Solve for x
x = 22,652,045/6,828.25 - Step 6: Final answer
x = 3,317.40
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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.