Home / 6,331.40-9,482.70-3,249.80

Finding the Fourth Proportional to 6,331.40, 9,482.70 and 3,249.80

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Solution

The fourth proportional to 6,331.40, 9,482.70 and 3,249.80 is: 4,867.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,331.40 : 9,482.70 = 3,249.80 : x
  2. Step 2: Convert to fraction form
    6,331.40/9,482.70 = 3,249.80/x
  3. Step 3: Cross multiply
    6,331.40x = 9,482.70 × 3,249.80
  4. Step 4: Simplify right side
    6,331.40x = 30,816,878.46
  5. Step 5: Solve for x
    x = 30,816,878.46/6,331.40
  6. Step 6: Final answer
    x = 4,867.31

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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.