Home / 8,858.27-12,223.63-4,879.55

Finding the Fourth Proportional to 8,858.27, 12,223.63 and 4,879.55

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Solution

The fourth proportional to 8,858.27, 12,223.63 and 4,879.55 is: 6,733.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.27 : 12,223.63 = 4,879.55 : x
  2. Step 2: Convert to fraction form
    8,858.27/12,223.63 = 4,879.55/x
  3. Step 3: Cross multiply
    8,858.27x = 12,223.63 × 4,879.55
  4. Step 4: Simplify right side
    8,858.27x = 59,645,813.77
  5. Step 5: Solve for x
    x = 59,645,813.77/8,858.27
  6. Step 6: Final answer
    x = 6,733.35

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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.