Home / 7,823.38-11,733.85-2,558.35

Finding the Fourth Proportional to 7,823.38, 11,733.85 and 2,558.35

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Solution

The fourth proportional to 7,823.38, 11,733.85 and 2,558.35 is: 3,837.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,823.38 : 11,733.85 = 2,558.35 : x
  2. Step 2: Convert to fraction form
    7,823.38/11,733.85 = 2,558.35/x
  3. Step 3: Cross multiply
    7,823.38x = 11,733.85 × 2,558.35
  4. Step 4: Simplify right side
    7,823.38x = 30,019,295.15
  5. Step 5: Solve for x
    x = 30,019,295.15/7,823.38
  6. Step 6: Final answer
    x = 3,837.13

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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.