Home / 8,113.60-12,170.33-2,566.95

Finding the Fourth Proportional to 8,113.60, 12,170.33 and 2,566.95

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Solution

The fourth proportional to 8,113.60, 12,170.33 and 2,566.95 is: 3,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,113.60 : 12,170.33 = 2,566.95 : x
  2. Step 2: Convert to fraction form
    8,113.60/12,170.33 = 2,566.95/x
  3. Step 3: Cross multiply
    8,113.60x = 12,170.33 × 2,566.95
  4. Step 4: Simplify right side
    8,113.60x = 31,240,628.59
  5. Step 5: Solve for x
    x = 31,240,628.59/8,113.60
  6. Step 6: Final answer
    x = 3,850.40

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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.