Finding the Fourth Proportional to 12,443.59, 17,194 and 9,946.29
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Solution
The fourth proportional to 12,443.59, 17,194 and 9,946.29 is: 13,743.34
Step by Step Solution
- Step 1: Write the proportion equation
12,443.59 : 17,194 = 9,946.29 : x - Step 2: Convert to fraction form
12,443.59/17,194 = 9,946.29/x - Step 3: Cross multiply
12,443.59x = 17,194 × 9,946.29 - Step 4: Simplify right side
12,443.59x = 171,016,510.26 - Step 5: Solve for x
x = 171,016,510.26/12,443.59 - Step 6: Final answer
x = 13,743.34
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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.