Home / 9,439.01-13,025.99-5,190.26

Finding the Fourth Proportional to 9,439.01, 13,025.99 and 5,190.26

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Solution

The fourth proportional to 9,439.01, 13,025.99 and 5,190.26 is: 7,162.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439.01 : 13,025.99 = 5,190.26 : x
  2. Step 2: Convert to fraction form
    9,439.01/13,025.99 = 5,190.26/x
  3. Step 3: Cross multiply
    9,439.01x = 13,025.99 × 5,190.26
  4. Step 4: Simplify right side
    9,439.01x = 67,608,295.97
  5. Step 5: Solve for x
    x = 67,608,295.97/9,439.01
  6. Step 6: Final answer
    x = 7,162.64

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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.