Finding the Fourth Proportional to 11,708.50, 16,158 and 7,235.32
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Solution
The fourth proportional to 11,708.50, 16,158 and 7,235.32 is: 9,984.91
Step by Step Solution
- Step 1: Write the proportion equation
11,708.50 : 16,158 = 7,235.32 : x - Step 2: Convert to fraction form
11,708.50/16,158 = 7,235.32/x - Step 3: Cross multiply
11,708.50x = 16,158 × 7,235.32 - Step 4: Simplify right side
11,708.50x = 116,908,300.56 - Step 5: Solve for x
x = 116,908,300.56/11,708.50 - Step 6: Final answer
x = 9,984.91
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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.