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Finding the Fourth Proportional to 8,603.43, 11,873.21 and 6,475.12

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Solution

The fourth proportional to 8,603.43, 11,873.21 and 6,475.12 is: 8,936.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603.43 : 11,873.21 = 6,475.12 : x
  2. Step 2: Convert to fraction form
    8,603.43/11,873.21 = 6,475.12/x
  3. Step 3: Cross multiply
    8,603.43x = 11,873.21 × 6,475.12
  4. Step 4: Simplify right side
    8,603.43x = 76,880,459.54
  5. Step 5: Solve for x
    x = 76,880,459.54/8,603.43
  6. Step 6: Final answer
    x = 8,936.02

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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.