Finding the Fourth Proportional to 8,325.24, 11,465.58 and 6,915.12
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Solution
The fourth proportional to 8,325.24, 11,465.58 and 6,915.12 is: 9,523.55
Step by Step Solution
- Step 1: Write the proportion equation
8,325.24 : 11,465.58 = 6,915.12 : x - Step 2: Convert to fraction form
8,325.24/11,465.58 = 6,915.12/x - Step 3: Cross multiply
8,325.24x = 11,465.58 × 6,915.12 - Step 4: Simplify right side
8,325.24x = 79,285,861.57 - Step 5: Solve for x
x = 79,285,861.57/8,325.24 - Step 6: Final answer
x = 9,523.55
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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.