Finding the Fourth Proportional to 11,505.32, 17,258 and 4,931
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Solution
The fourth proportional to 11,505.32, 17,258 and 4,931 is: 7,396.51
Step by Step Solution
- Step 1: Write the proportion equation
11,505.32 : 17,258 = 4,931 : x - Step 2: Convert to fraction form
11,505.32/17,258 = 4,931/x - Step 3: Cross multiply
11,505.32x = 17,258 × 4,931 - Step 4: Simplify right side
11,505.32x = 85,099,198 - Step 5: Solve for x
x = 85,099,198/11,505.32 - Step 6: Final answer
x = 7,396.51
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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.