Finding the Fourth Proportional to 10,004, 13,805.60 and 5,588
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Solution
The fourth proportional to 10,004, 13,805.60 and 5,588 is: 7,711.48
Step by Step Solution
- Step 1: Write the proportion equation
10,004 : 13,805.60 = 5,588 : x - Step 2: Convert to fraction form
10,004/13,805.60 = 5,588/x - Step 3: Cross multiply
10,004x = 13,805.60 × 5,588 - Step 4: Simplify right side
10,004x = 77,145,692.80 - Step 5: Solve for x
x = 77,145,692.80/10,004 - Step 6: Final answer
x = 7,711.48
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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.