Home / 9,861.28-13,608.66-5,884.18

Finding the Fourth Proportional to 9,861.28, 13,608.66 and 5,884.18

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Solution

The fourth proportional to 9,861.28, 13,608.66 and 5,884.18 is: 8,120.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,861.28 : 13,608.66 = 5,884.18 : x
  2. Step 2: Convert to fraction form
    9,861.28/13,608.66 = 5,884.18/x
  3. Step 3: Cross multiply
    9,861.28x = 13,608.66 × 5,884.18
  4. Step 4: Simplify right side
    9,861.28x = 80,075,805.00
  5. Step 5: Solve for x
    x = 80,075,805.00/9,861.28
  6. Step 6: Final answer
    x = 8,120.22

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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.