Home / 9,485.25-13,089.86-5,236.30

Finding the Fourth Proportional to 9,485.25, 13,089.86 and 5,236.30

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Solution

The fourth proportional to 9,485.25, 13,089.86 and 5,236.30 is: 7,226.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,485.25 : 13,089.86 = 5,236.30 : x
  2. Step 2: Convert to fraction form
    9,485.25/13,089.86 = 5,236.30/x
  3. Step 3: Cross multiply
    9,485.25x = 13,089.86 × 5,236.30
  4. Step 4: Simplify right side
    9,485.25x = 68,542,424.10
  5. Step 5: Solve for x
    x = 68,542,424.10/9,485.25
  6. Step 6: Final answer
    x = 7,226.21

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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.