Home / 11,416.88-17,109.23-5,406.58

Finding the Fourth Proportional to 11,416.88, 17,109.23 and 5,406.58

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Solution

The fourth proportional to 11,416.88, 17,109.23 and 5,406.58 is: 8,102.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,416.88 : 17,109.23 = 5,406.58 : x
  2. Step 2: Convert to fraction form
    11,416.88/17,109.23 = 5,406.58/x
  3. Step 3: Cross multiply
    11,416.88x = 17,109.23 × 5,406.58
  4. Step 4: Simplify right side
    11,416.88x = 92,502,415.09
  5. Step 5: Solve for x
    x = 92,502,415.09/11,416.88
  6. Step 6: Final answer
    x = 8,102.25

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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.