Home / 11,917.23-17,875.83-4,126.04

Finding the Fourth Proportional to 11,917.23, 17,875.83 and 4,126.04

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Solution

The fourth proportional to 11,917.23, 17,875.83 and 4,126.04 is: 6,189.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,917.23 : 17,875.83 = 4,126.04 : x
  2. Step 2: Convert to fraction form
    11,917.23/17,875.83 = 4,126.04/x
  3. Step 3: Cross multiply
    11,917.23x = 17,875.83 × 4,126.04
  4. Step 4: Simplify right side
    11,917.23x = 73,756,300.23
  5. Step 5: Solve for x
    x = 73,756,300.23/11,917.23
  6. Step 6: Final answer
    x = 6,189.05

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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.