Home / 7,826.46-11,739.75-2,632.34

Finding the Fourth Proportional to 7,826.46, 11,739.75 and 2,632.34

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Solution

The fourth proportional to 7,826.46, 11,739.75 and 2,632.34 is: 3,948.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,826.46 : 11,739.75 = 2,632.34 : x
  2. Step 2: Convert to fraction form
    7,826.46/11,739.75 = 2,632.34/x
  3. Step 3: Cross multiply
    7,826.46x = 11,739.75 × 2,632.34
  4. Step 4: Simplify right side
    7,826.46x = 30,903,013.52
  5. Step 5: Solve for x
    x = 30,903,013.52/7,826.46
  6. Step 6: Final answer
    x = 3,948.53

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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.