Home / 8,239.95-12,358.66-2,693.32

Finding the Fourth Proportional to 8,239.95, 12,358.66 and 2,693.32

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Solution

The fourth proportional to 8,239.95, 12,358.66 and 2,693.32 is: 4,039.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239.95 : 12,358.66 = 2,693.32 : x
  2. Step 2: Convert to fraction form
    8,239.95/12,358.66 = 2,693.32/x
  3. Step 3: Cross multiply
    8,239.95x = 12,358.66 × 2,693.32
  4. Step 4: Simplify right side
    8,239.95x = 33,285,863.09
  5. Step 5: Solve for x
    x = 33,285,863.09/8,239.95
  6. Step 6: Final answer
    x = 4,039.57

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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.