Finding the Fourth Proportional to 17,124, 25,686 and 4,812
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Solution
The fourth proportional to 17,124, 25,686 and 4,812 is: 7,218
Step by Step Solution
- Step 1: Write the proportion equation
17,124 : 25,686 = 4,812 : x - Step 2: Convert to fraction form
17,124/25,686 = 4,812/x - Step 3: Cross multiply
17,124x = 25,686 × 4,812 - Step 4: Simplify right side
17,124x = 123,601,032 - Step 5: Solve for x
x = 123,601,032/17,124 - Step 6: Final answer
x = 7,218
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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.