Home / 11,721.33-17,562.35-11,266.11

Finding the Fourth Proportional to 11,721.33, 17,562.35 and 11,266.11

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Solution

The fourth proportional to 11,721.33, 17,562.35 and 11,266.11 is: 16,880.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,721.33 : 17,562.35 = 11,266.11 : x
  2. Step 2: Convert to fraction form
    11,721.33/17,562.35 = 11,266.11/x
  3. Step 3: Cross multiply
    11,721.33x = 17,562.35 × 11,266.11
  4. Step 4: Simplify right side
    11,721.33x = 197,859,395.12
  5. Step 5: Solve for x
    x = 197,859,395.12/11,721.33
  6. Step 6: Final answer
    x = 16,880.29

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1.5x scale

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.