Home / 11,435.72-17,153.40-3,644.48

Finding the Fourth Proportional to 11,435.72, 17,153.40 and 3,644.48

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Solution

The fourth proportional to 11,435.72, 17,153.40 and 3,644.48 is: 5,466.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,435.72 : 17,153.40 = 3,644.48 : x
  2. Step 2: Convert to fraction form
    11,435.72/17,153.40 = 3,644.48/x
  3. Step 3: Cross multiply
    11,435.72x = 17,153.40 × 3,644.48
  4. Step 4: Simplify right side
    11,435.72x = 62,515,223.23
  5. Step 5: Solve for x
    x = 62,515,223.23/11,435.72
  6. Step 6: Final answer
    x = 5,466.66

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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.