Home / 12,076.04-16,665.74-6,771.20

Finding the Fourth Proportional to 12,076.04, 16,665.74 and 6,771.20

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Solution

The fourth proportional to 12,076.04, 16,665.74 and 6,771.20 is: 9,344.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,076.04 : 16,665.74 = 6,771.20 : x
  2. Step 2: Convert to fraction form
    12,076.04/16,665.74 = 6,771.20/x
  3. Step 3: Cross multiply
    12,076.04x = 16,665.74 × 6,771.20
  4. Step 4: Simplify right side
    12,076.04x = 112,847,058.69
  5. Step 5: Solve for x
    x = 112,847,058.69/12,076.04
  6. Step 6: Final answer
    x = 9,344.71

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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.