Home / 11,315.92-16,973.88-3,525.36

Finding the Fourth Proportional to 11,315.92, 16,973.88 and 3,525.36

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Solution

The fourth proportional to 11,315.92, 16,973.88 and 3,525.36 is: 5,288.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,315.92 : 16,973.88 = 3,525.36 : x
  2. Step 2: Convert to fraction form
    11,315.92/16,973.88 = 3,525.36/x
  3. Step 3: Cross multiply
    11,315.92x = 16,973.88 × 3,525.36
  4. Step 4: Simplify right side
    11,315.92x = 59,839,037.60
  5. Step 5: Solve for x
    x = 59,839,037.60/11,315.92
  6. Step 6: Final answer
    x = 5,288.04

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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.