Home / 8,559.21-11,813.27-4,974.66

Finding the Fourth Proportional to 8,559.21, 11,813.27 and 4,974.66

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Solution

The fourth proportional to 8,559.21, 11,813.27 and 4,974.66 is: 6,865.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,559.21 : 11,813.27 = 4,974.66 : x
  2. Step 2: Convert to fraction form
    8,559.21/11,813.27 = 4,974.66/x
  3. Step 3: Cross multiply
    8,559.21x = 11,813.27 × 4,974.66
  4. Step 4: Simplify right side
    8,559.21x = 58,766,976.86
  5. Step 5: Solve for x
    x = 58,766,976.86/8,559.21
  6. Step 6: Final answer
    x = 6,865.93

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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.