Home / 11,164.36-16,742.70-3,371.08

Finding the Fourth Proportional to 11,164.36, 16,742.70 and 3,371.08

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Solution

The fourth proportional to 11,164.36, 16,742.70 and 3,371.08 is: 5,055.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,164.36 : 16,742.70 = 3,371.08 : x
  2. Step 2: Convert to fraction form
    11,164.36/16,742.70 = 3,371.08/x
  3. Step 3: Cross multiply
    11,164.36x = 16,742.70 × 3,371.08
  4. Step 4: Simplify right side
    11,164.36x = 56,440,981.12
  5. Step 5: Solve for x
    x = 56,440,981.12/11,164.36
  6. Step 6: Final answer
    x = 5,055.46

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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.