Home / 12,261.72-16,906.22-10,369.92

Finding the Fourth Proportional to 12,261.72, 16,906.22 and 10,369.92

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Solution

The fourth proportional to 12,261.72, 16,906.22 and 10,369.92 is: 14,297.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,261.72 : 16,906.22 = 10,369.92 : x
  2. Step 2: Convert to fraction form
    12,261.72/16,906.22 = 10,369.92/x
  3. Step 3: Cross multiply
    12,261.72x = 16,906.22 × 10,369.92
  4. Step 4: Simplify right side
    12,261.72x = 175,316,148.90
  5. Step 5: Solve for x
    x = 175,316,148.90/12,261.72
  6. Step 6: Final answer
    x = 14,297.84

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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.