Finding the Fourth Proportional to 12,232.60, 16,887.99 and 8,053
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Solution
The fourth proportional to 12,232.60, 16,887.99 and 8,053 is: 11,117.75
Step by Step Solution
- Step 1: Write the proportion equation
12,232.60 : 16,887.99 = 8,053 : x - Step 2: Convert to fraction form
12,232.60/16,887.99 = 8,053/x - Step 3: Cross multiply
12,232.60x = 16,887.99 × 8,053 - Step 4: Simplify right side
12,232.60x = 135,998,983.47 - Step 5: Solve for x
x = 135,998,983.47/12,232.60 - Step 6: Final answer
x = 11,117.75
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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.