Home / 8,422.08-11,622.80-4,696

Finding the Fourth Proportional to 8,422.08, 11,622.80 and 4,696

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Solution

The fourth proportional to 8,422.08, 11,622.80 and 4,696 is: 6,480.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,422.08 : 11,622.80 = 4,696 : x
  2. Step 2: Convert to fraction form
    8,422.08/11,622.80 = 4,696/x
  3. Step 3: Cross multiply
    8,422.08x = 11,622.80 × 4,696
  4. Step 4: Simplify right side
    8,422.08x = 54,580,668.80
  5. Step 5: Solve for x
    x = 54,580,668.80/8,422.08
  6. Step 6: Final answer
    x = 6,480.66

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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.