Home / 11,106.88-16,654.80-3,708.80

Finding the Fourth Proportional to 11,106.88, 16,654.80 and 3,708.80

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Solution

The fourth proportional to 11,106.88, 16,654.80 and 3,708.80 is: 5,561.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,106.88 : 16,654.80 = 3,708.80 : x
  2. Step 2: Convert to fraction form
    11,106.88/16,654.80 = 3,708.80/x
  3. Step 3: Cross multiply
    11,106.88x = 16,654.80 × 3,708.80
  4. Step 4: Simplify right side
    11,106.88x = 61,769,322.24
  5. Step 5: Solve for x
    x = 61,769,322.24/11,106.88
  6. Step 6: Final answer
    x = 5,561.36

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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.