Finding the Fourth Proportional to 6.46, 9.63 and 6
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Solution
The fourth proportional to 6.46, 9.63 and 6 is: 8.94
Step by Step Solution
- Step 1: Write the proportion equation
6.46 : 9.63 = 6 : x - Step 2: Convert to fraction form
6.46/9.63 = 6/x - Step 3: Cross multiply
6.46x = 9.63 × 6 - Step 4: Simplify right side
6.46x = 57.75 - Step 5: Solve for x
x = 57.75/6.46 - Step 6: Final answer
x = 8.94
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.