Home / 6,838.12-10,219.70-4,993.12

Finding the Fourth Proportional to 6,838.12, 10,219.70 and 4,993.12

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Solution

The fourth proportional to 6,838.12, 10,219.70 and 4,993.12 is: 7,462.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,838.12 : 10,219.70 = 4,993.12 : x
  2. Step 2: Convert to fraction form
    6,838.12/10,219.70 = 4,993.12/x
  3. Step 3: Cross multiply
    6,838.12x = 10,219.70 × 4,993.12
  4. Step 4: Simplify right side
    6,838.12x = 51,028,163.50
  5. Step 5: Solve for x
    x = 51,028,163.50/6,838.12
  6. Step 6: Final answer
    x = 7,462.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.