Home / 11,912.28-17,848.98-11,457.24

Finding the Fourth Proportional to 11,912.28, 17,848.98 and 11,457.24

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Solution

The fourth proportional to 11,912.28, 17,848.98 and 11,457.24 is: 17,167.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,912.28 : 17,848.98 = 11,457.24 : x
  2. Step 2: Convert to fraction form
    11,912.28/17,848.98 = 11,457.24/x
  3. Step 3: Cross multiply
    11,912.28x = 17,848.98 × 11,457.24
  4. Step 4: Simplify right side
    11,912.28x = 204,500,047.62
  5. Step 5: Solve for x
    x = 204,500,047.62/11,912.28
  6. Step 6: Final answer
    x = 17,167.16

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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.