Home / 8,566.20-12,860.10-4,620.60

Finding the Fourth Proportional to 8,566.20, 12,860.10 and 4,620.60

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Solution

The fourth proportional to 8,566.20, 12,860.10 and 4,620.60 is: 6,936.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,566.20 : 12,860.10 = 4,620.60 : x
  2. Step 2: Convert to fraction form
    8,566.20/12,860.10 = 4,620.60/x
  3. Step 3: Cross multiply
    8,566.20x = 12,860.10 × 4,620.60
  4. Step 4: Simplify right side
    8,566.20x = 59,421,378.06
  5. Step 5: Solve for x
    x = 59,421,378.06/8,566.20
  6. Step 6: Final answer
    x = 6,936.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.