Home / 11,785.03-17,666.77-10,757.82

Finding the Fourth Proportional to 11,785.03, 17,666.77 and 10,757.82

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Solution

The fourth proportional to 11,785.03, 17,666.77 and 10,757.82 is: 16,126.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,785.03 : 17,666.77 = 10,757.82 : x
  2. Step 2: Convert to fraction form
    11,785.03/17,666.77 = 10,757.82/x
  3. Step 3: Cross multiply
    11,785.03x = 17,666.77 × 10,757.82
  4. Step 4: Simplify right side
    11,785.03x = 190,055,953.38
  5. Step 5: Solve for x
    x = 190,055,953.38/11,785.03
  6. Step 6: Final answer
    x = 16,126.90

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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.