Home / 10,823.54-16,235.13-3,427.98

Finding the Fourth Proportional to 10,823.54, 16,235.13 and 3,427.98

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Solution

The fourth proportional to 10,823.54, 16,235.13 and 3,427.98 is: 5,141.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,823.54 : 16,235.13 = 3,427.98 : x
  2. Step 2: Convert to fraction form
    10,823.54/16,235.13 = 3,427.98/x
  3. Step 3: Cross multiply
    10,823.54x = 16,235.13 × 3,427.98
  4. Step 4: Simplify right side
    10,823.54x = 55,653,683.80
  5. Step 5: Solve for x
    x = 55,653,683.80/10,823.54
  6. Step 6: Final answer
    x = 5,141.91

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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.