Home / 12,160.53-16,786.44-9,177.10

Finding the Fourth Proportional to 12,160.53, 16,786.44 and 9,177.10

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Solution

The fourth proportional to 12,160.53, 16,786.44 and 9,177.10 is: 12,668.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,160.53 : 16,786.44 = 9,177.10 : x
  2. Step 2: Convert to fraction form
    12,160.53/16,786.44 = 9,177.10/x
  3. Step 3: Cross multiply
    12,160.53x = 16,786.44 × 9,177.10
  4. Step 4: Simplify right side
    12,160.53x = 154,050,796.56
  5. Step 5: Solve for x
    x = 154,050,796.56/12,160.53
  6. Step 6: Final answer
    x = 12,668.10

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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.