Home / 11,650.40-17,481.75-5,077.10

Finding the Fourth Proportional to 11,650.40, 17,481.75 and 5,077.10

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Solution

The fourth proportional to 11,650.40, 17,481.75 and 5,077.10 is: 7,618.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,650.40 : 17,481.75 = 5,077.10 : x
  2. Step 2: Convert to fraction form
    11,650.40/17,481.75 = 5,077.10/x
  3. Step 3: Cross multiply
    11,650.40x = 17,481.75 × 5,077.10
  4. Step 4: Simplify right side
    11,650.40x = 88,756,505.52
  5. Step 5: Solve for x
    x = 88,756,505.52/11,650.40
  6. Step 6: Final answer
    x = 7,618.33

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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.