Finding the Fourth Proportional to 11,543,507.66, 15,927,558.98 and 6,959,730.62
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Solution
The fourth proportional to 11,543,507.66, 15,927,558.98 and 6,959,730.62 is: 9,602,932.07
Step by Step Solution
- Step 1: Write the proportion equation
11,543,507.66 : 15,927,558.98 = 6,959,730.62 : x - Step 2: Convert to fraction form
11,543,507.66/15,927,558.98 = 6,959,730.62/x - Step 3: Cross multiply
11,543,507.66x = 15,927,558.98 × 6,959,730.62 - Step 4: Simplify right side
11,543,507.66x = 110,851,519,934,961.97 - Step 5: Solve for x
x = 110,851,519,934,961.97/11,543,507.66 - Step 6: Final answer
x = 9,602,932.07
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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.