Home / 11,810.97-17,722.60-5,235.62

Finding the Fourth Proportional to 11,810.97, 17,722.60 and 5,235.62

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Solution

The fourth proportional to 11,810.97, 17,722.60 and 5,235.62 is: 7,856.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,810.97 : 17,722.60 = 5,235.62 : x
  2. Step 2: Convert to fraction form
    11,810.97/17,722.60 = 5,235.62/x
  3. Step 3: Cross multiply
    11,810.97x = 17,722.60 × 5,235.62
  4. Step 4: Simplify right side
    11,810.97x = 92,788,697.31
  5. Step 5: Solve for x
    x = 92,788,697.31/11,810.97
  6. Step 6: Final answer
    x = 7,856.15

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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.