Finding the Fourth Proportional to 11,058,105.68, 15,258,335.64 and 6,162,254.60
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Solution
The fourth proportional to 11,058,105.68, 15,258,335.64 and 6,162,254.60 is: 8,502,880.30
Step by Step Solution
- Step 1: Write the proportion equation
11,058,105.68 : 15,258,335.64 = 6,162,254.60 : x - Step 2: Convert to fraction form
11,058,105.68/15,258,335.64 = 6,162,254.60/x - Step 3: Cross multiply
11,058,105.68x = 15,258,335.64 × 6,162,254.60 - Step 4: Simplify right side
11,058,105.68x = 94,025,748,985,933.94 - Step 5: Solve for x
x = 94,025,748,985,933.94/11,058,105.68 - Step 6: Final answer
x = 8,502,880.30
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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.