Home / 7,226.40-10,839.60-6,169.35

Finding the Fourth Proportional to 7,226.40, 10,839.60 and 6,169.35

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Solution

The fourth proportional to 7,226.40, 10,839.60 and 6,169.35 is: 9,254.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,226.40 : 10,839.60 = 6,169.35 : x
  2. Step 2: Convert to fraction form
    7,226.40/10,839.60 = 6,169.35/x
  3. Step 3: Cross multiply
    7,226.40x = 10,839.60 × 6,169.35
  4. Step 4: Simplify right side
    7,226.40x = 66,873,286.26
  5. Step 5: Solve for x
    x = 66,873,286.26/7,226.40
  6. Step 6: Final answer
    x = 9,254.03

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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.