Finding the Fourth Proportional to 8,272,350.72, 11,415,679.86 and 4,601,188.26
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Solution
The fourth proportional to 8,272,350.72, 11,415,679.86 and 4,601,188.26 is: 6,349,548.51
Step by Step Solution
- Step 1: Write the proportion equation
8,272,350.72 : 11,415,679.86 = 4,601,188.26 : x - Step 2: Convert to fraction form
8,272,350.72/11,415,679.86 = 4,601,188.26/x - Step 3: Cross multiply
8,272,350.72x = 11,415,679.86 × 4,601,188.26 - Step 4: Simplify right side
8,272,350.72x = 52,525,692,151,750.44 - Step 5: Solve for x
x = 52,525,692,151,750.44/8,272,350.72 - Step 6: Final answer
x = 6,349,548.51
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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.