Home / 8,270.99-12,403.86-2,723.09

Finding the Fourth Proportional to 8,270.99, 12,403.86 and 2,723.09

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Solution

The fourth proportional to 8,270.99, 12,403.86 and 2,723.09 is: 4,083.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270.99 : 12,403.86 = 2,723.09 : x
  2. Step 2: Convert to fraction form
    8,270.99/12,403.86 = 2,723.09/x
  3. Step 3: Cross multiply
    8,270.99x = 12,403.86 × 2,723.09
  4. Step 4: Simplify right side
    8,270.99x = 33,776,827.13
  5. Step 5: Solve for x
    x = 33,776,827.13/8,270.99
  6. Step 6: Final answer
    x = 4,083.77

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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.