Finding the Fourth Proportional to 8,544, 12,816 and 2,388
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Solution
The fourth proportional to 8,544, 12,816 and 2,388 is: 3,582
Step by Step Solution
- Step 1: Write the proportion equation
8,544 : 12,816 = 2,388 : x - Step 2: Convert to fraction form
8,544/12,816 = 2,388/x - Step 3: Cross multiply
8,544x = 12,816 × 2,388 - Step 4: Simplify right side
8,544x = 30,604,608 - Step 5: Solve for x
x = 30,604,608/8,544 - Step 6: Final answer
x = 3,582
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.