Home / 11,988.24-17,974.48-5,748.08

Finding the Fourth Proportional to 11,988.24, 17,974.48 and 5,748.08

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Solution

The fourth proportional to 11,988.24, 17,974.48 and 5,748.08 is: 8,618.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,988.24 : 17,974.48 = 5,748.08 : x
  2. Step 2: Convert to fraction form
    11,988.24/17,974.48 = 5,748.08/x
  3. Step 3: Cross multiply
    11,988.24x = 17,974.48 × 5,748.08
  4. Step 4: Simplify right side
    11,988.24x = 103,318,749.00
  5. Step 5: Solve for x
    x = 103,318,749.00/11,988.24
  6. Step 6: Final answer
    x = 8,618.34

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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.