Finding the Fourth Proportional to 7,430,853.60, 11,146,280.40 and 6,235,111.35
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Solution
The fourth proportional to 7,430,853.60, 11,146,280.40 and 6,235,111.35 is: 9,352,667.03
Step by Step Solution
- Step 1: Write the proportion equation
7,430,853.60 : 11,146,280.40 = 6,235,111.35 : x - Step 2: Convert to fraction form
7,430,853.60/11,146,280.40 = 6,235,111.35/x - Step 3: Cross multiply
7,430,853.60x = 11,146,280.40 × 6,235,111.35 - Step 4: Simplify right side
7,430,853.60x = 69,498,299,432,322.54 - Step 5: Solve for x
x = 69,498,299,432,322.54/7,430,853.60 - Step 6: Final answer
x = 9,352,667.03
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Double scale
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Similar ratio
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1.5x scale
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.