Home / 11,703.13-16,149.09-6,666.29

Finding the Fourth Proportional to 11,703.13, 16,149.09 and 6,666.29

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Solution

The fourth proportional to 11,703.13, 16,149.09 and 6,666.29 is: 9,198.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,703.13 : 16,149.09 = 6,666.29 : x
  2. Step 2: Convert to fraction form
    11,703.13/16,149.09 = 6,666.29/x
  3. Step 3: Cross multiply
    11,703.13x = 16,149.09 × 6,666.29
  4. Step 4: Simplify right side
    11,703.13x = 107,654,557.55
  5. Step 5: Solve for x
    x = 107,654,557.55/11,703.13
  6. Step 6: Final answer
    x = 9,198.79

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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.