Finding the Fourth Proportional to 10,843.08, 14,963.30 and 5,875.08
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Solution
The fourth proportional to 10,843.08, 14,963.30 and 5,875.08 is: 8,107.53
Step by Step Solution
- Step 1: Write the proportion equation
10,843.08 : 14,963.30 = 5,875.08 : x - Step 2: Convert to fraction form
10,843.08/14,963.30 = 5,875.08/x - Step 3: Cross multiply
10,843.08x = 14,963.30 × 5,875.08 - Step 4: Simplify right side
10,843.08x = 87,910,584.56 - Step 5: Solve for x
x = 87,910,584.56/10,843.08 - Step 6: Final answer
x = 8,107.53
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1.5x scale
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.