Home / 6,312.20-9,471.30-4,233.20

Finding the Fourth Proportional to 6,312.20, 9,471.30 and 4,233.20

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Solution

The fourth proportional to 6,312.20, 9,471.30 and 4,233.20 is: 6,351.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,312.20 : 9,471.30 = 4,233.20 : x
  2. Step 2: Convert to fraction form
    6,312.20/9,471.30 = 4,233.20/x
  3. Step 3: Cross multiply
    6,312.20x = 9,471.30 × 4,233.20
  4. Step 4: Simplify right side
    6,312.20x = 40,093,907.16
  5. Step 5: Solve for x
    x = 40,093,907.16/6,312.20
  6. Step 6: Final answer
    x = 6,351.81

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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.