Home / 8,656.08-11,945.25-4,879.59

Finding the Fourth Proportional to 8,656.08, 11,945.25 and 4,879.59

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Solution

The fourth proportional to 8,656.08, 11,945.25 and 4,879.59 is: 6,733.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656.08 : 11,945.25 = 4,879.59 : x
  2. Step 2: Convert to fraction form
    8,656.08/11,945.25 = 4,879.59/x
  3. Step 3: Cross multiply
    8,656.08x = 11,945.25 × 4,879.59
  4. Step 4: Simplify right side
    8,656.08x = 58,287,922.45
  5. Step 5: Solve for x
    x = 58,287,922.45/8,656.08
  6. Step 6: Final answer
    x = 6,733.76

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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.