Home / 8,228.98-12,345.42-2,682.35

Finding the Fourth Proportional to 8,228.98, 12,345.42 and 2,682.35

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Solution

The fourth proportional to 8,228.98, 12,345.42 and 2,682.35 is: 4,024.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,228.98 : 12,345.42 = 2,682.35 : x
  2. Step 2: Convert to fraction form
    8,228.98/12,345.42 = 2,682.35/x
  3. Step 3: Cross multiply
    8,228.98x = 12,345.42 × 2,682.35
  4. Step 4: Simplify right side
    8,228.98x = 33,114,723.93
  5. Step 5: Solve for x
    x = 33,114,723.93/8,228.98
  6. Step 6: Final answer
    x = 4,024.16

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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.