Home / 11,743.53-16,206.12-6,438.44

Finding the Fourth Proportional to 11,743.53, 16,206.12 and 6,438.44

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Solution

The fourth proportional to 11,743.53, 16,206.12 and 6,438.44 is: 8,885.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,743.53 : 16,206.12 = 6,438.44 : x
  2. Step 2: Convert to fraction form
    11,743.53/16,206.12 = 6,438.44/x
  3. Step 3: Cross multiply
    11,743.53x = 16,206.12 × 6,438.44
  4. Step 4: Simplify right side
    11,743.53x = 104,342,050.22
  5. Step 5: Solve for x
    x = 104,342,050.22/11,743.53
  6. Step 6: Final answer
    x = 8,885.07

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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.