Home / 10,670.51-16,006.62-2,879.21

Finding the Fourth Proportional to 10,670.51, 16,006.62 and 2,879.21

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Solution

The fourth proportional to 10,670.51, 16,006.62 and 2,879.21 is: 4,319.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,670.51 : 16,006.62 = 2,879.21 : x
  2. Step 2: Convert to fraction form
    10,670.51/16,006.62 = 2,879.21/x
  3. Step 3: Cross multiply
    10,670.51x = 16,006.62 × 2,879.21
  4. Step 4: Simplify right side
    10,670.51x = 46,086,340.34
  5. Step 5: Solve for x
    x = 46,086,340.34/10,670.51
  6. Step 6: Final answer
    x = 4,319.04

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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.