Home / 11,922.36-16,453.22-6,617.53

Finding the Fourth Proportional to 11,922.36, 16,453.22 and 6,617.53

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Solution

The fourth proportional to 11,922.36, 16,453.22 and 6,617.53 is: 9,132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,922.36 : 16,453.22 = 6,617.53 : x
  2. Step 2: Convert to fraction form
    11,922.36/16,453.22 = 6,617.53/x
  3. Step 3: Cross multiply
    11,922.36x = 16,453.22 × 6,617.53
  4. Step 4: Simplify right side
    11,922.36x = 108,879,722.10
  5. Step 5: Solve for x
    x = 108,879,722.10/11,922.36
  6. Step 6: Final answer
    x = 9,132.40

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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.