Home / 8,292.58-12,439.49-2,749.84

Finding the Fourth Proportional to 8,292.58, 12,439.49 and 2,749.84

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Solution

The fourth proportional to 8,292.58, 12,439.49 and 2,749.84 is: 4,124.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,292.58 : 12,439.49 = 2,749.84 : x
  2. Step 2: Convert to fraction form
    8,292.58/12,439.49 = 2,749.84/x
  3. Step 3: Cross multiply
    8,292.58x = 12,439.49 × 2,749.84
  4. Step 4: Simplify right side
    8,292.58x = 34,206,607.18
  5. Step 5: Solve for x
    x = 34,206,607.18/8,292.58
  6. Step 6: Final answer
    x = 4,124.97

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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.