Home / 12,150.13-16,767.53-11,709.49

Finding the Fourth Proportional to 12,150.13, 16,767.53 and 11,709.49

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Solution

The fourth proportional to 12,150.13, 16,767.53 and 11,709.49 is: 16,159.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,150.13 : 16,767.53 = 11,709.49 : x
  2. Step 2: Convert to fraction form
    12,150.13/16,767.53 = 11,709.49/x
  3. Step 3: Cross multiply
    12,150.13x = 16,767.53 × 11,709.49
  4. Step 4: Simplify right side
    12,150.13x = 196,339,224.86
  5. Step 5: Solve for x
    x = 196,339,224.86/12,150.13
  6. Step 6: Final answer
    x = 16,159.43

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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.