Finding the Fourth Proportional to 11,611,390.63, 16,024,130.35 and 6,384,796.88
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Solution
The fourth proportional to 11,611,390.63, 16,024,130.35 and 6,384,796.88 is: 8,811,245.85
Step by Step Solution
- Step 1: Write the proportion equation
11,611,390.63 : 16,024,130.35 = 6,384,796.88 : x - Step 2: Convert to fraction form
11,611,390.63/16,024,130.35 = 6,384,796.88/x - Step 3: Cross multiply
11,611,390.63x = 16,024,130.35 × 6,384,796.88 - Step 4: Simplify right side
11,611,390.63x = 102,310,817,463,393.30 - Step 5: Solve for x
x = 102,310,817,463,393.30/11,611,390.63 - Step 6: Final answer
x = 8,811,245.85
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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.