Finding the Fourth Proportional to 7,351,089.36, 10,143,016.74 and 4,294,713.12
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Solution
The fourth proportional to 7,351,089.36, 10,143,016.74 and 4,294,713.12 is: 5,925,835.61
Step by Step Solution
- Step 1: Write the proportion equation
7,351,089.36 : 10,143,016.74 = 4,294,713.12 : x - Step 2: Convert to fraction form
7,351,089.36/10,143,016.74 = 4,294,713.12/x - Step 3: Cross multiply
7,351,089.36x = 10,143,016.74 × 4,294,713.12 - Step 4: Simplify right side
7,351,089.36x = 43,561,347,069,657.63 - Step 5: Solve for x
x = 43,561,347,069,657.63/7,351,089.36 - Step 6: Final answer
x = 5,925,835.61
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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.