Finding the Fourth Proportional to 11,479,021.58, 15,841,050.07 and 6,322,383.13
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Solution
The fourth proportional to 11,479,021.58, 15,841,050.07 and 6,322,383.13 is: 8,724,888.87
Step by Step Solution
- Step 1: Write the proportion equation
11,479,021.58 : 15,841,050.07 = 6,322,383.13 : x - Step 2: Convert to fraction form
11,479,021.58/15,841,050.07 = 6,322,383.13/x - Step 3: Cross multiply
11,479,021.58x = 15,841,050.07 × 6,322,383.13 - Step 4: Simplify right side
11,479,021.58x = 100,153,187,692,353.67 - Step 5: Solve for x
x = 100,153,187,692,353.67/11,479,021.58 - Step 6: Final answer
x = 8,724,888.87
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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.