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Finding the Fourth Proportional to 8,502.56, 11,741.28 and 6,403.04

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Solution

The fourth proportional to 8,502.56, 11,741.28 and 6,403.04 is: 8,842.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,502.56 : 11,741.28 = 6,403.04 : x
  2. Step 2: Convert to fraction form
    8,502.56/11,741.28 = 6,403.04/x
  3. Step 3: Cross multiply
    8,502.56x = 11,741.28 × 6,403.04
  4. Step 4: Simplify right side
    8,502.56x = 75,179,885.49
  5. Step 5: Solve for x
    x = 75,179,885.49/8,502.56
  6. Step 6: Final answer
    x = 8,842.03

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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.