Home / 11,700.11-17,550.68-10,869.73

Finding the Fourth Proportional to 11,700.11, 17,550.68 and 10,869.73

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Solution

The fourth proportional to 11,700.11, 17,550.68 and 10,869.73 is: 16,305.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,700.11 : 17,550.68 = 10,869.73 : x
  2. Step 2: Convert to fraction form
    11,700.11/17,550.68 = 10,869.73/x
  3. Step 3: Cross multiply
    11,700.11x = 17,550.68 × 10,869.73
  4. Step 4: Simplify right side
    11,700.11x = 190,771,128.73
  5. Step 5: Solve for x
    x = 190,771,128.73/11,700.11
  6. Step 6: Final answer
    x = 16,305.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.