Home / 6,967.21-10,450.70-2,807.12

Finding the Fourth Proportional to 6,967.21, 10,450.70 and 2,807.12

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Solution

The fourth proportional to 6,967.21, 10,450.70 and 2,807.12 is: 4,210.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,967.21 : 10,450.70 = 2,807.12 : x
  2. Step 2: Convert to fraction form
    6,967.21/10,450.70 = 2,807.12/x
  3. Step 3: Cross multiply
    6,967.21x = 10,450.70 × 2,807.12
  4. Step 4: Simplify right side
    6,967.21x = 29,336,368.98
  5. Step 5: Solve for x
    x = 29,336,368.98/6,967.21
  6. Step 6: Final answer
    x = 4,210.63

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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.