Finding the Fourth Proportional to 6,947,198.76, 9,565,733.68 and 6,171,484.44
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Solution
The fourth proportional to 6,947,198.76, 9,565,733.68 and 6,171,484.44 is: 8,497,637.48
Step by Step Solution
- Step 1: Write the proportion equation
6,947,198.76 : 9,565,733.68 = 6,171,484.44 : x - Step 2: Convert to fraction form
6,947,198.76/9,565,733.68 = 6,171,484.44/x - Step 3: Cross multiply
6,947,198.76x = 9,565,733.68 × 6,171,484.44 - Step 4: Simplify right side
6,947,198.76x = 59,034,776,563,303.94 - Step 5: Solve for x
x = 59,034,776,563,303.94/6,947,198.76 - Step 6: Final answer
x = 8,497,637.48
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Double scale
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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.