Finding the Fourth Proportional to 6,925,412.70, 9,563,197.56 and 4,316,369.52
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Solution
The fourth proportional to 6,925,412.70, 9,563,197.56 and 4,316,369.52 is: 5,960,409.33
Step by Step Solution
- Step 1: Write the proportion equation
6,925,412.70 : 9,563,197.56 = 4,316,369.52 : x - Step 2: Convert to fraction form
6,925,412.70/9,563,197.56 = 4,316,369.52/x - Step 3: Cross multiply
6,925,412.70x = 9,563,197.56 × 4,316,369.52 - Step 4: Simplify right side
6,925,412.70x = 41,278,294,461,722.37 - Step 5: Solve for x
x = 41,278,294,461,722.37/6,925,412.70 - Step 6: Final answer
x = 5,960,409.33
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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.