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Finding the Fourth Proportional to 9,504.28, 13,113.28 and 6,520.88

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Solution

The fourth proportional to 9,504.28, 13,113.28 and 6,520.88 is: 8,997.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,504.28 : 13,113.28 = 6,520.88 : x
  2. Step 2: Convert to fraction form
    9,504.28/13,113.28 = 6,520.88/x
  3. Step 3: Cross multiply
    9,504.28x = 13,113.28 × 6,520.88
  4. Step 4: Simplify right side
    9,504.28x = 85,510,125.29
  5. Step 5: Solve for x
    x = 85,510,125.29/9,504.28
  6. Step 6: Final answer
    x = 8,997.01

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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.