Home / 12,144.16-16,698.36-10,372.60

Finding the Fourth Proportional to 12,144.16, 16,698.36 and 10,372.60

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Solution

The fourth proportional to 12,144.16, 16,698.36 and 10,372.60 is: 14,262.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,144.16 : 16,698.36 = 10,372.60 : x
  2. Step 2: Convert to fraction form
    12,144.16/16,698.36 = 10,372.60/x
  3. Step 3: Cross multiply
    12,144.16x = 16,698.36 × 10,372.60
  4. Step 4: Simplify right side
    12,144.16x = 173,205,408.94
  5. Step 5: Solve for x
    x = 173,205,408.94/12,144.16
  6. Step 6: Final answer
    x = 14,262.44

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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.