Finding the Fourth Proportional to 8,393.24, 11,582.93 and 4,616.75
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Solution
The fourth proportional to 8,393.24, 11,582.93 and 4,616.75 is: 6,371.26
Step by Step Solution
- Step 1: Write the proportion equation
8,393.24 : 11,582.93 = 4,616.75 : x - Step 2: Convert to fraction form
8,393.24/11,582.93 = 4,616.75/x - Step 3: Cross multiply
8,393.24x = 11,582.93 × 4,616.75 - Step 4: Simplify right side
8,393.24x = 53,475,492.08 - Step 5: Solve for x
x = 53,475,492.08/8,393.24 - Step 6: Final answer
x = 6,371.26
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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.