Home / 11,911.13-17,867.45-4,013.00

Finding the Fourth Proportional to 11,911.13, 17,867.45 and 4,013.00

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Solution

The fourth proportional to 11,911.13, 17,867.45 and 4,013.00 is: 6,019.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,911.13 : 17,867.45 = 4,013.00 : x
  2. Step 2: Convert to fraction form
    11,911.13/17,867.45 = 4,013.00/x
  3. Step 3: Cross multiply
    11,911.13x = 17,867.45 × 4,013.00
  4. Step 4: Simplify right side
    11,911.13x = 71,701,967.45
  5. Step 5: Solve for x
    x = 71,701,967.45/11,911.13
  6. Step 6: Final answer
    x = 6,019.75

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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.