Finding the Fourth Proportional to 7,894.44, 11,830.37 and 5,797.99
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Solution
The fourth proportional to 7,894.44, 11,830.37 and 5,797.99 is: 8,688.70
Step by Step Solution
- Step 1: Write the proportion equation
7,894.44 : 11,830.37 = 5,797.99 : x - Step 2: Convert to fraction form
7,894.44/11,830.37 = 5,797.99/x - Step 3: Cross multiply
7,894.44x = 11,830.37 × 5,797.99 - Step 4: Simplify right side
7,894.44x = 68,592,337.97 - Step 5: Solve for x
x = 68,592,337.97/7,894.44 - Step 6: Final answer
x = 8,688.70
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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.