Home / 11,387.93-17,083.67-4,814.15

Finding the Fourth Proportional to 11,387.93, 17,083.67 and 4,814.15

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Solution

The fourth proportional to 11,387.93, 17,083.67 and 4,814.15 is: 7,221.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,387.93 : 17,083.67 = 4,814.15 : x
  2. Step 2: Convert to fraction form
    11,387.93/17,083.67 = 4,814.15/x
  3. Step 3: Cross multiply
    11,387.93x = 17,083.67 × 4,814.15
  4. Step 4: Simplify right side
    11,387.93x = 82,243,240.44
  5. Step 5: Solve for x
    x = 82,243,240.44/11,387.93
  6. Step 6: Final answer
    x = 7,221.97

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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.