Home / 10,669.92-16,005.48-2,879.34

Finding the Fourth Proportional to 10,669.92, 16,005.48 and 2,879.34

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Solution

The fourth proportional to 10,669.92, 16,005.48 and 2,879.34 is: 4,319.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,669.92 : 16,005.48 = 2,879.34 : x
  2. Step 2: Convert to fraction form
    10,669.92/16,005.48 = 2,879.34/x
  3. Step 3: Cross multiply
    10,669.92x = 16,005.48 × 2,879.34
  4. Step 4: Simplify right side
    10,669.92x = 46,085,218.78
  5. Step 5: Solve for x
    x = 46,085,218.78/10,669.92
  6. Step 6: Final answer
    x = 4,319.17

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1.5x scale

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.