Home / 8,858.07-12,223.71-4,879.35

Finding the Fourth Proportional to 8,858.07, 12,223.71 and 4,879.35

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Solution

The fourth proportional to 8,858.07, 12,223.71 and 4,879.35 is: 6,733.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.07 : 12,223.71 = 4,879.35 : x
  2. Step 2: Convert to fraction form
    8,858.07/12,223.71 = 4,879.35/x
  3. Step 3: Cross multiply
    8,858.07x = 12,223.71 × 4,879.35
  4. Step 4: Simplify right side
    8,858.07x = 59,643,759.39
  5. Step 5: Solve for x
    x = 59,643,759.39/8,858.07
  6. Step 6: Final answer
    x = 6,733.27

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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.