Home / 8,300.48-12,449.76-2,144.96

Finding the Fourth Proportional to 8,300.48, 12,449.76 and 2,144.96

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Solution

The fourth proportional to 8,300.48, 12,449.76 and 2,144.96 is: 3,217.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,300.48 : 12,449.76 = 2,144.96 : x
  2. Step 2: Convert to fraction form
    8,300.48/12,449.76 = 2,144.96/x
  3. Step 3: Cross multiply
    8,300.48x = 12,449.76 × 2,144.96
  4. Step 4: Simplify right side
    8,300.48x = 26,704,237.21
  5. Step 5: Solve for x
    x = 26,704,237.21/8,300.48
  6. Step 6: Final answer
    x = 3,217.19

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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.