Home / 11,988.06-17,984.88-5,746.26

Finding the Fourth Proportional to 11,988.06, 17,984.88 and 5,746.26

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Solution

The fourth proportional to 11,988.06, 17,984.88 and 5,746.26 is: 8,620.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,988.06 : 17,984.88 = 5,746.26 : x
  2. Step 2: Convert to fraction form
    11,988.06/17,984.88 = 5,746.26/x
  3. Step 3: Cross multiply
    11,988.06x = 17,984.88 × 5,746.26
  4. Step 4: Simplify right side
    11,988.06x = 103,345,796.55
  5. Step 5: Solve for x
    x = 103,345,796.55/11,988.06
  6. Step 6: Final answer
    x = 8,620.73

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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.