Finding the Fourth Proportional to 7,674,698.96, 10,591,980.36 and 6,383,260.88
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Solution
The fourth proportional to 7,674,698.96, 10,591,980.36 and 6,383,260.88 is: 8,809,645.07
Step by Step Solution
- Step 1: Write the proportion equation
7,674,698.96 : 10,591,980.36 = 6,383,260.88 : x - Step 2: Convert to fraction form
7,674,698.96/10,591,980.36 = 6,383,260.88/x - Step 3: Cross multiply
7,674,698.96x = 10,591,980.36 × 6,383,260.88 - Step 4: Simplify right side
7,674,698.96x = 67,611,373,873,716.31 - Step 5: Solve for x
x = 67,611,373,873,716.31/7,674,698.96 - Step 6: Final answer
x = 8,809,645.07
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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.