Home / 11,635.27-17,455.64-3,315.41

Finding the Fourth Proportional to 11,635.27, 17,455.64 and 3,315.41

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Solution

The fourth proportional to 11,635.27, 17,455.64 and 3,315.41 is: 4,973.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,635.27 : 17,455.64 = 3,315.41 : x
  2. Step 2: Convert to fraction form
    11,635.27/17,455.64 = 3,315.41/x
  3. Step 3: Cross multiply
    11,635.27x = 17,455.64 × 3,315.41
  4. Step 4: Simplify right side
    11,635.27x = 57,872,565.02
  5. Step 5: Solve for x
    x = 57,872,565.02/11,635.27
  6. Step 6: Final answer
    x = 4,973.89

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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.