Home / 11,683.91-16,124.13-6,379.07

Finding the Fourth Proportional to 11,683.91, 16,124.13 and 6,379.07

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Solution

The fourth proportional to 11,683.91, 16,124.13 and 6,379.07 is: 8,803.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,683.91 : 16,124.13 = 6,379.07 : x
  2. Step 2: Convert to fraction form
    11,683.91/16,124.13 = 6,379.07/x
  3. Step 3: Cross multiply
    11,683.91x = 16,124.13 × 6,379.07
  4. Step 4: Simplify right side
    11,683.91x = 102,856,873.34
  5. Step 5: Solve for x
    x = 102,856,873.34/11,683.91
  6. Step 6: Final answer
    x = 8,803.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.