Home / 8,529.21-11,772.12-5,733.09

Finding the Fourth Proportional to 8,529.21, 11,772.12 and 5,733.09

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Solution

The fourth proportional to 8,529.21, 11,772.12 and 5,733.09 is: 7,912.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,529.21 : 11,772.12 = 5,733.09 : x
  2. Step 2: Convert to fraction form
    8,529.21/11,772.12 = 5,733.09/x
  3. Step 3: Cross multiply
    8,529.21x = 11,772.12 × 5,733.09
  4. Step 4: Simplify right side
    8,529.21x = 67,490,623.45
  5. Step 5: Solve for x
    x = 67,490,623.45/8,529.21
  6. Step 6: Final answer
    x = 7,912.88

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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.