Home / 11,863.99-16,371.67-6,558.47

Finding the Fourth Proportional to 11,863.99, 16,371.67 and 6,558.47

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Solution

The fourth proportional to 11,863.99, 16,371.67 and 6,558.47 is: 9,050.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,863.99 : 16,371.67 = 6,558.47 : x
  2. Step 2: Convert to fraction form
    11,863.99/16,371.67 = 6,558.47/x
  3. Step 3: Cross multiply
    11,863.99x = 16,371.67 × 6,558.47
  4. Step 4: Simplify right side
    11,863.99x = 107,373,081.98
  5. Step 5: Solve for x
    x = 107,373,081.98/11,863.99
  6. Step 6: Final answer
    x = 9,050.33

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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.