Finding the Fourth Proportional to 8,376,782.75, 11,560,453.97 and 6,308,148.66
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Solution
The fourth proportional to 8,376,782.75, 11,560,453.97 and 6,308,148.66 is: 8,705,616.99
Step by Step Solution
- Step 1: Write the proportion equation
8,376,782.75 : 11,560,453.97 = 6,308,148.66 : x - Step 2: Convert to fraction form
8,376,782.75/11,560,453.97 = 6,308,148.66/x - Step 3: Cross multiply
8,376,782.75x = 11,560,453.97 × 6,308,148.66 - Step 4: Simplify right side
8,376,782.75x = 72,925,062,212,951.84 - Step 5: Solve for x
x = 72,925,062,212,951.84/8,376,782.75 - Step 6: Final answer
x = 8,705,616.99
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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.