Finding the Fourth Proportional to 12,069.92, 18,101.04 and 3,860
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Solution
The fourth proportional to 12,069.92, 18,101.04 and 3,860 is: 5,788.77
Step by Step Solution
- Step 1: Write the proportion equation
12,069.92 : 18,101.04 = 3,860 : x - Step 2: Convert to fraction form
12,069.92/18,101.04 = 3,860/x - Step 3: Cross multiply
12,069.92x = 18,101.04 × 3,860 - Step 4: Simplify right side
12,069.92x = 69,870,014.40 - Step 5: Solve for x
x = 69,870,014.40/12,069.92 - Step 6: Final answer
x = 5,788.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.