Home / 8,217.27-11,339.87-4,680.41

Finding the Fourth Proportional to 8,217.27, 11,339.87 and 4,680.41

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Solution

The fourth proportional to 8,217.27, 11,339.87 and 4,680.41 is: 6,458.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.27 : 11,339.87 = 4,680.41 : x
  2. Step 2: Convert to fraction form
    8,217.27/11,339.87 = 4,680.41/x
  3. Step 3: Cross multiply
    8,217.27x = 11,339.87 × 4,680.41
  4. Step 4: Simplify right side
    8,217.27x = 53,075,160.85
  5. Step 5: Solve for x
    x = 53,075,160.85/8,217.27
  6. Step 6: Final answer
    x = 6,458.98

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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.