Finding the Fourth Proportional to 9,970, 14,955 and 2,674
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Solution
The fourth proportional to 9,970, 14,955 and 2,674 is: 4,011
Step by Step Solution
- Step 1: Write the proportion equation
9,970 : 14,955 = 2,674 : x - Step 2: Convert to fraction form
9,970/14,955 = 2,674/x - Step 3: Cross multiply
9,970x = 14,955 × 2,674 - Step 4: Simplify right side
9,970x = 39,989,670 - Step 5: Solve for x
x = 39,989,670/9,970 - Step 6: Final answer
x = 4,011
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.