Home / 9,226.80-12,729.92-5,246.46

Finding the Fourth Proportional to 9,226.80, 12,729.92 and 5,246.46

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Solution

The fourth proportional to 9,226.80, 12,729.92 and 5,246.46 is: 7,238.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,226.80 : 12,729.92 = 5,246.46 : x
  2. Step 2: Convert to fraction form
    9,226.80/12,729.92 = 5,246.46/x
  3. Step 3: Cross multiply
    9,226.80x = 12,729.92 × 5,246.46
  4. Step 4: Simplify right side
    9,226.80x = 66,787,016.08
  5. Step 5: Solve for x
    x = 66,787,016.08/9,226.80
  6. Step 6: Final answer
    x = 7,238.37

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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.