Home / 7,879.49-10,873.76-4,342.82

Finding the Fourth Proportional to 7,879.49, 10,873.76 and 4,342.82

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Solution

The fourth proportional to 7,879.49, 10,873.76 and 4,342.82 is: 5,993.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,879.49 : 10,873.76 = 4,342.82 : x
  2. Step 2: Convert to fraction form
    7,879.49/10,873.76 = 4,342.82/x
  3. Step 3: Cross multiply
    7,879.49x = 10,873.76 × 4,342.82
  4. Step 4: Simplify right side
    7,879.49x = 47,222,782.40
  5. Step 5: Solve for x
    x = 47,222,782.40/7,879.49
  6. Step 6: Final answer
    x = 5,993.13

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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.