Home / 8,440.83-11,645.91-5,458.41

Finding the Fourth Proportional to 8,440.83, 11,645.91 and 5,458.41

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Solution

The fourth proportional to 8,440.83, 11,645.91 and 5,458.41 is: 7,531.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440.83 : 11,645.91 = 5,458.41 : x
  2. Step 2: Convert to fraction form
    8,440.83/11,645.91 = 5,458.41/x
  3. Step 3: Cross multiply
    8,440.83x = 11,645.91 × 5,458.41
  4. Step 4: Simplify right side
    8,440.83x = 63,568,151.60
  5. Step 5: Solve for x
    x = 63,568,151.60/8,440.83
  6. Step 6: Final answer
    x = 7,531.03

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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.