Finding the Fourth Proportional to 10,451.73, 14,421.24 and 5,976.99
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Solution
The fourth proportional to 10,451.73, 14,421.24 and 5,976.99 is: 8,247.02
Step by Step Solution
- Step 1: Write the proportion equation
10,451.73 : 14,421.24 = 5,976.99 : x - Step 2: Convert to fraction form
10,451.73/14,421.24 = 5,976.99/x - Step 3: Cross multiply
10,451.73x = 14,421.24 × 5,976.99 - Step 4: Simplify right side
10,451.73x = 86,195,607.27 - Step 5: Solve for x
x = 86,195,607.27/10,451.73 - Step 6: Final answer
x = 8,247.02
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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.