Finding the Fourth Proportional to 9,562,574.12, 13,195,968.12 and 5,211,567.18
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Solution
The fourth proportional to 9,562,574.12, 13,195,968.12 and 5,211,567.18 is: 7,191,753.34
Step by Step Solution
- Step 1: Write the proportion equation
9,562,574.12 : 13,195,968.12 = 5,211,567.18 : x - Step 2: Convert to fraction form
9,562,574.12/13,195,968.12 = 5,211,567.18/x - Step 3: Cross multiply
9,562,574.12x = 13,195,968.12 × 5,211,567.18 - Step 4: Simplify right side
9,562,574.12x = 68,771,674,362,518.30 - Step 5: Solve for x
x = 68,771,674,362,518.30/9,562,574.12 - Step 6: Final answer
x = 7,191,753.34
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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.