Finding the Fourth Proportional to 8,604,605.93, 11,875,213.95 and 6,425,365.68
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Solution
The fourth proportional to 8,604,605.93, 11,875,213.95 and 6,425,365.68 is: 8,867,645.17
Step by Step Solution
- Step 1: Write the proportion equation
8,604,605.93 : 11,875,213.95 = 6,425,365.68 : x - Step 2: Convert to fraction form
8,604,605.93/11,875,213.95 = 6,425,365.68/x - Step 3: Cross multiply
8,604,605.93x = 11,875,213.95 × 6,425,365.68 - Step 4: Simplify right side
8,604,605.93x = 76,302,592,156,987.23 - Step 5: Solve for x
x = 76,302,592,156,987.23/8,604,605.93 - Step 6: Final answer
x = 8,867,645.17
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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.