Home / 8,218.88-11,343.84-4,682.24

Finding the Fourth Proportional to 8,218.88, 11,343.84 and 4,682.24

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Solution

The fourth proportional to 8,218.88, 11,343.84 and 4,682.24 is: 6,462.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,218.88 : 11,343.84 = 4,682.24 : x
  2. Step 2: Convert to fraction form
    8,218.88/11,343.84 = 4,682.24/x
  3. Step 3: Cross multiply
    8,218.88x = 11,343.84 × 4,682.24
  4. Step 4: Simplify right side
    8,218.88x = 53,114,581.40
  5. Step 5: Solve for x
    x = 53,114,581.40/8,218.88
  6. Step 6: Final answer
    x = 6,462.51

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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.