Home / 10,640.39-15,967.47-4,796.65

Finding the Fourth Proportional to 10,640.39, 15,967.47 and 4,796.65

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Solution

The fourth proportional to 10,640.39, 15,967.47 and 4,796.65 is: 7,198.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,640.39 : 15,967.47 = 4,796.65 : x
  2. Step 2: Convert to fraction form
    10,640.39/15,967.47 = 4,796.65/x
  3. Step 3: Cross multiply
    10,640.39x = 15,967.47 × 4,796.65
  4. Step 4: Simplify right side
    10,640.39x = 76,590,285.14
  5. Step 5: Solve for x
    x = 76,590,285.14/10,640.39
  6. Step 6: Final answer
    x = 7,198.07

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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.