Home / 11,243.76-16,862.56-4,223.23

Finding the Fourth Proportional to 11,243.76, 16,862.56 and 4,223.23

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Solution

The fourth proportional to 11,243.76, 16,862.56 and 4,223.23 is: 6,333.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243.76 : 16,862.56 = 4,223.23 : x
  2. Step 2: Convert to fraction form
    11,243.76/16,862.56 = 4,223.23/x
  3. Step 3: Cross multiply
    11,243.76x = 16,862.56 × 4,223.23
  4. Step 4: Simplify right side
    11,243.76x = 71,214,406.00
  5. Step 5: Solve for x
    x = 71,214,406.00/11,243.76
  6. Step 6: Final answer
    x = 6,333.69

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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.