Home / 8,223.20-11,348.16-4,686.24

Finding the Fourth Proportional to 8,223.20, 11,348.16 and 4,686.24

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Solution

The fourth proportional to 8,223.20, 11,348.16 and 4,686.24 is: 6,467.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,223.20 : 11,348.16 = 4,686.24 : x
  2. Step 2: Convert to fraction form
    8,223.20/11,348.16 = 4,686.24/x
  3. Step 3: Cross multiply
    8,223.20x = 11,348.16 × 4,686.24
  4. Step 4: Simplify right side
    8,223.20x = 53,180,201.32
  5. Step 5: Solve for x
    x = 53,180,201.32/8,223.20
  6. Step 6: Final answer
    x = 6,467.09

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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.