Home / 11,180.33-15,428.53-6,144.54

Finding the Fourth Proportional to 11,180.33, 15,428.53 and 6,144.54

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Solution

The fourth proportional to 11,180.33, 15,428.53 and 6,144.54 is: 8,479.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.33 : 15,428.53 = 6,144.54 : x
  2. Step 2: Convert to fraction form
    11,180.33/15,428.53 = 6,144.54/x
  3. Step 3: Cross multiply
    11,180.33x = 15,428.53 × 6,144.54
  4. Step 4: Simplify right side
    11,180.33x = 94,801,221.77
  5. Step 5: Solve for x
    x = 94,801,221.77/11,180.33
  6. Step 6: Final answer
    x = 8,479.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.