Finding the Fourth Proportional to 7,534,511.88, 10,397,756.34 and 4,096,776.12
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Solution
The fourth proportional to 7,534,511.88, 10,397,756.34 and 4,096,776.12 is: 5,653,621.70
Step by Step Solution
- Step 1: Write the proportion equation
7,534,511.88 : 10,397,756.34 = 4,096,776.12 : x - Step 2: Convert to fraction form
7,534,511.88/10,397,756.34 = 4,096,776.12/x - Step 3: Cross multiply
7,534,511.88x = 10,397,756.34 × 4,096,776.12 - Step 4: Simplify right side
7,534,511.88x = 42,597,279,875,290.60 - Step 5: Solve for x
x = 42,597,279,875,290.60/7,534,511.88 - Step 6: Final answer
x = 5,653,621.70
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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.