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Finding the Fourth Proportional to 8,611.04, 11,862.24 and 5,953.88

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Solution

The fourth proportional to 8,611.04, 11,862.24 and 5,953.88 is: 8,201.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,611.04 : 11,862.24 = 5,953.88 : x
  2. Step 2: Convert to fraction form
    8,611.04/11,862.24 = 5,953.88/x
  3. Step 3: Cross multiply
    8,611.04x = 11,862.24 × 5,953.88
  4. Step 4: Simplify right side
    8,611.04x = 70,626,353.49
  5. Step 5: Solve for x
    x = 70,626,353.49/8,611.04
  6. Step 6: Final answer
    x = 8,201.84

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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.