Home / 8,281.46-11,428.12-4,743.99

Finding the Fourth Proportional to 8,281.46, 11,428.12 and 4,743.99

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Solution

The fourth proportional to 8,281.46, 11,428.12 and 4,743.99 is: 6,546.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281.46 : 11,428.12 = 4,743.99 : x
  2. Step 2: Convert to fraction form
    8,281.46/11,428.12 = 4,743.99/x
  3. Step 3: Cross multiply
    8,281.46x = 11,428.12 × 4,743.99
  4. Step 4: Simplify right side
    8,281.46x = 54,214,887.00
  5. Step 5: Solve for x
    x = 54,214,887.00/8,281.46
  6. Step 6: Final answer
    x = 6,546.54

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Why These Related Problems?

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