Finding the Fourth Proportional to 8,550.05, 11,799.01 and 4,772.99
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Solution
The fourth proportional to 8,550.05, 11,799.01 and 4,772.99 is: 6,586.69
Step by Step Solution
- Step 1: Write the proportion equation
8,550.05 : 11,799.01 = 4,772.99 : x - Step 2: Convert to fraction form
8,550.05/11,799.01 = 4,772.99/x - Step 3: Cross multiply
8,550.05x = 11,799.01 × 4,772.99 - Step 4: Simplify right side
8,550.05x = 56,316,556.74 - Step 5: Solve for x
x = 56,316,556.74/8,550.05 - Step 6: Final answer
x = 6,586.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.