Home / 11,823.12-17,722.35-4,424.36

Finding the Fourth Proportional to 11,823.12, 17,722.35 and 4,424.36

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Solution

The fourth proportional to 11,823.12, 17,722.35 and 4,424.36 is: 6,631.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,823.12 : 17,722.35 = 4,424.36 : x
  2. Step 2: Convert to fraction form
    11,823.12/17,722.35 = 4,424.36/x
  3. Step 3: Cross multiply
    11,823.12x = 17,722.35 × 4,424.36
  4. Step 4: Simplify right side
    11,823.12x = 78,409,967.83
  5. Step 5: Solve for x
    x = 78,409,967.83/11,823.12
  6. Step 6: Final answer
    x = 6,631.92

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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.