Home / 6,246.78-8,618.49-4,123.37

Finding the Fourth Proportional to 6,246.78, 8,618.49 and 4,123.37

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Solution

The fourth proportional to 6,246.78, 8,618.49 and 4,123.37 is: 5,688.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,246.78 : 8,618.49 = 4,123.37 : x
  2. Step 2: Convert to fraction form
    6,246.78/8,618.49 = 4,123.37/x
  3. Step 3: Cross multiply
    6,246.78x = 8,618.49 × 4,123.37
  4. Step 4: Simplify right side
    6,246.78x = 35,537,223.11
  5. Step 5: Solve for x
    x = 35,537,223.11/6,246.78
  6. Step 6: Final answer
    x = 5,688.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.