Home / 11,097.03-15,295.62-7,867.90

Finding the Fourth Proportional to 11,097.03, 15,295.62 and 7,867.90

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Solution

The fourth proportional to 11,097.03, 15,295.62 and 7,867.90 is: 10,844.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,097.03 : 15,295.62 = 7,867.90 : x
  2. Step 2: Convert to fraction form
    11,097.03/15,295.62 = 7,867.90/x
  3. Step 3: Cross multiply
    11,097.03x = 15,295.62 × 7,867.90
  4. Step 4: Simplify right side
    11,097.03x = 120,344,408.60
  5. Step 5: Solve for x
    x = 120,344,408.60/11,097.03
  6. Step 6: Final answer
    x = 10,844.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.