Home / 12,136.22-16,749.53-6,832.05

Finding the Fourth Proportional to 12,136.22, 16,749.53 and 6,832.05

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Solution

The fourth proportional to 12,136.22, 16,749.53 and 6,832.05 is: 9,429.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136.22 : 16,749.53 = 6,832.05 : x
  2. Step 2: Convert to fraction form
    12,136.22/16,749.53 = 6,832.05/x
  3. Step 3: Cross multiply
    12,136.22x = 16,749.53 × 6,832.05
  4. Step 4: Simplify right side
    12,136.22x = 114,433,626.44
  5. Step 5: Solve for x
    x = 114,433,626.44/12,136.22
  6. Step 6: Final answer
    x = 9,429.10

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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.