Home / 7,879.30-10,873.00-4,342.23

Finding the Fourth Proportional to 7,879.30, 10,873.00 and 4,342.23

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Solution

The fourth proportional to 7,879.30, 10,873.00 and 4,342.23 is: 5,992.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,879.30 : 10,873.00 = 4,342.23 : x
  2. Step 2: Convert to fraction form
    7,879.30/10,873.00 = 4,342.23/x
  3. Step 3: Cross multiply
    7,879.30x = 10,873.00 × 4,342.23
  4. Step 4: Simplify right side
    7,879.30x = 47,213,072.22
  5. Step 5: Solve for x
    x = 47,213,072.22/7,879.30
  6. Step 6: Final answer
    x = 5,992.04

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1.5x scale

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.