Finding the Fourth Proportional to 11,907.96, 17,860 and 4,011
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Solution
The fourth proportional to 11,907.96, 17,860 and 4,011 is: 6,015.85
Step by Step Solution
- Step 1: Write the proportion equation
11,907.96 : 17,860 = 4,011 : x - Step 2: Convert to fraction form
11,907.96/17,860 = 4,011/x - Step 3: Cross multiply
11,907.96x = 17,860 × 4,011 - Step 4: Simplify right side
11,907.96x = 71,636,460 - Step 5: Solve for x
x = 71,636,460/11,907.96 - Step 6: Final answer
x = 6,015.85
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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.