Home / 11,862.88-16,369.35-6,556.97

Finding the Fourth Proportional to 11,862.88, 16,369.35 and 6,556.97

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Solution

The fourth proportional to 11,862.88, 16,369.35 and 6,556.97 is: 9,047.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862.88 : 16,369.35 = 6,556.97 : x
  2. Step 2: Convert to fraction form
    11,862.88/16,369.35 = 6,556.97/x
  3. Step 3: Cross multiply
    11,862.88x = 16,369.35 × 6,556.97
  4. Step 4: Simplify right side
    11,862.88x = 107,333,336.87
  5. Step 5: Solve for x
    x = 107,333,336.87/11,862.88
  6. Step 6: Final answer
    x = 9,047.83

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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.