Home / 8,153.33-11,258.49-5,174.45

Finding the Fourth Proportional to 8,153.33, 11,258.49 and 5,174.45

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Solution

The fourth proportional to 8,153.33, 11,258.49 and 5,174.45 is: 7,145.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.33 : 11,258.49 = 5,174.45 : x
  2. Step 2: Convert to fraction form
    8,153.33/11,258.49 = 5,174.45/x
  3. Step 3: Cross multiply
    8,153.33x = 11,258.49 × 5,174.45
  4. Step 4: Simplify right side
    8,153.33x = 58,256,493.58
  5. Step 5: Solve for x
    x = 58,256,493.58/8,153.33
  6. Step 6: Final answer
    x = 7,145.12

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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.