Home / 11,933.13-17,899.70-4,142.01

Finding the Fourth Proportional to 11,933.13, 17,899.70 and 4,142.01

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Solution

The fourth proportional to 11,933.13, 17,899.70 and 4,142.01 is: 6,213.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,933.13 : 17,899.70 = 4,142.01 : x
  2. Step 2: Convert to fraction form
    11,933.13/17,899.70 = 4,142.01/x
  3. Step 3: Cross multiply
    11,933.13x = 17,899.70 × 4,142.01
  4. Step 4: Simplify right side
    11,933.13x = 74,140,715.69
  5. Step 5: Solve for x
    x = 74,140,715.69/11,933.13
  6. Step 6: Final answer
    x = 6,213.02

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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.