Home / 6,826.65-10,240.09-2,146.53

Finding the Fourth Proportional to 6,826.65, 10,240.09 and 2,146.53

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Solution

The fourth proportional to 6,826.65, 10,240.09 and 2,146.53 is: 3,219.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,826.65 : 10,240.09 = 2,146.53 : x
  2. Step 2: Convert to fraction form
    6,826.65/10,240.09 = 2,146.53/x
  3. Step 3: Cross multiply
    6,826.65x = 10,240.09 × 2,146.53
  4. Step 4: Simplify right side
    6,826.65x = 21,980,693.42
  5. Step 5: Solve for x
    x = 21,980,693.42/6,826.65
  6. Step 6: Final answer
    x = 3,219.84

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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.