Home / 12,136.41-16,747.88-6,758.87

Finding the Fourth Proportional to 12,136.41, 16,747.88 and 6,758.87

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Solution

The fourth proportional to 12,136.41, 16,747.88 and 6,758.87 is: 9,327.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136.41 : 16,747.88 = 6,758.87 : x
  2. Step 2: Convert to fraction form
    12,136.41/16,747.88 = 6,758.87/x
  3. Step 3: Cross multiply
    12,136.41x = 16,747.88 × 6,758.87
  4. Step 4: Simplify right side
    12,136.41x = 113,196,626.16
  5. Step 5: Solve for x
    x = 113,196,626.16/12,136.41
  6. Step 6: Final answer
    x = 9,327.03

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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.