Home / 8,588.85-12,879.55-2,967.12

Finding the Fourth Proportional to 8,588.85, 12,879.55 and 2,967.12

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Solution

The fourth proportional to 8,588.85, 12,879.55 and 2,967.12 is: 4,449.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,588.85 : 12,879.55 = 2,967.12 : x
  2. Step 2: Convert to fraction form
    8,588.85/12,879.55 = 2,967.12/x
  3. Step 3: Cross multiply
    8,588.85x = 12,879.55 × 2,967.12
  4. Step 4: Simplify right side
    8,588.85x = 38,215,170.40
  5. Step 5: Solve for x
    x = 38,215,170.40/8,588.85
  6. Step 6: Final answer
    x = 4,449.39

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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.