Home / 11,823.19-17,722.82-7,665.84

Finding the Fourth Proportional to 11,823.19, 17,722.82 and 7,665.84

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Solution

The fourth proportional to 11,823.19, 17,722.82 and 7,665.84 is: 11,491.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,823.19 : 17,722.82 = 7,665.84 : x
  2. Step 2: Convert to fraction form
    11,823.19/17,722.82 = 7,665.84/x
  3. Step 3: Cross multiply
    11,823.19x = 17,722.82 × 7,665.84
  4. Step 4: Simplify right side
    11,823.19x = 135,860,321.63
  5. Step 5: Solve for x
    x = 135,860,321.63/11,823.19
  6. Step 6: Final answer
    x = 11,491.01

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1.5x scale

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.