Home / 10,670.24-16,005.38-2,879.84

Finding the Fourth Proportional to 10,670.24, 16,005.38 and 2,879.84

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Solution

The fourth proportional to 10,670.24, 16,005.38 and 2,879.84 is: 4,319.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,670.24 : 16,005.38 = 2,879.84 : x
  2. Step 2: Convert to fraction form
    10,670.24/16,005.38 = 2,879.84/x
  3. Step 3: Cross multiply
    10,670.24x = 16,005.38 × 2,879.84
  4. Step 4: Simplify right side
    10,670.24x = 46,092,933.54
  5. Step 5: Solve for x
    x = 46,092,933.54/10,670.24
  6. Step 6: Final answer
    x = 4,319.77

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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.