Finding the Fourth Proportional to 8,460,724.16, 11,675,799.60 and 4,593,239.84
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Solution
The fourth proportional to 8,460,724.16, 11,675,799.60 and 4,593,239.84 is: 6,338,671.12
Step by Step Solution
- Step 1: Write the proportion equation
8,460,724.16 : 11,675,799.60 = 4,593,239.84 : x - Step 2: Convert to fraction form
8,460,724.16/11,675,799.60 = 4,593,239.84/x - Step 3: Cross multiply
8,460,724.16x = 11,675,799.60 × 4,593,239.84 - Step 4: Simplify right side
8,460,724.16x = 53,629,747,886,576.06 - Step 5: Solve for x
x = 53,629,747,886,576.06/8,460,724.16 - Step 6: Final answer
x = 6,338,671.12
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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.