Finding the Fourth Proportional to 11,330,029.40, 15,635,442.80 and 6,173,390.93
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Solution
The fourth proportional to 11,330,029.40, 15,635,442.80 and 6,173,390.93 is: 8,519,280.70
Step by Step Solution
- Step 1: Write the proportion equation
11,330,029.40 : 15,635,442.80 = 6,173,390.93 : x - Step 2: Convert to fraction form
11,330,029.40/15,635,442.80 = 6,173,390.93/x - Step 3: Cross multiply
11,330,029.40x = 15,635,442.80 × 6,173,390.93 - Step 4: Simplify right side
11,330,029.40x = 96,523,700,705,310.06 - Step 5: Solve for x
x = 96,523,700,705,310.06/11,330,029.40 - Step 6: Final answer
x = 8,519,280.70
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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.