Home / 11,261.04-16,890.36-3,469

Finding the Fourth Proportional to 11,261.04, 16,890.36 and 3,469

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Solution

The fourth proportional to 11,261.04, 16,890.36 and 3,469 is: 5,203.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.04 : 16,890.36 = 3,469 : x
  2. Step 2: Convert to fraction form
    11,261.04/16,890.36 = 3,469/x
  3. Step 3: Cross multiply
    11,261.04x = 16,890.36 × 3,469
  4. Step 4: Simplify right side
    11,261.04x = 58,592,658.84
  5. Step 5: Solve for x
    x = 58,592,658.84/11,261.04
  6. Step 6: Final answer
    x = 5,203.13

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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.