Finding the Fourth Proportional to 11,940, 17,910 and 4,644
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Solution
The fourth proportional to 11,940, 17,910 and 4,644 is: 6,966
Step by Step Solution
- Step 1: Write the proportion equation
11,940 : 17,910 = 4,644 : x - Step 2: Convert to fraction form
11,940/17,910 = 4,644/x - Step 3: Cross multiply
11,940x = 17,910 × 4,644 - Step 4: Simplify right side
11,940x = 83,174,040 - Step 5: Solve for x
x = 83,174,040/11,940 - Step 6: Final answer
x = 6,966
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.