Home / 11,998.96-18,001.30-4,603.26

Finding the Fourth Proportional to 11,998.96, 18,001.30 and 4,603.26

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Solution

The fourth proportional to 11,998.96, 18,001.30 and 4,603.26 is: 6,905.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,998.96 : 18,001.30 = 4,603.26 : x
  2. Step 2: Convert to fraction form
    11,998.96/18,001.30 = 4,603.26/x
  3. Step 3: Cross multiply
    11,998.96x = 18,001.30 × 4,603.26
  4. Step 4: Simplify right side
    11,998.96x = 82,864,664.24
  5. Step 5: Solve for x
    x = 82,864,664.24/11,998.96
  6. Step 6: Final answer
    x = 6,905.99

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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.