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Finding the Fourth Proportional to 8,551.17, 12,830.40 and 3,008.34

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Solution

The fourth proportional to 8,551.17, 12,830.40 and 3,008.34 is: 4,513.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,551.17 : 12,830.40 = 3,008.34 : x
  2. Step 2: Convert to fraction form
    8,551.17/12,830.40 = 3,008.34/x
  3. Step 3: Cross multiply
    8,551.17x = 12,830.40 × 3,008.34
  4. Step 4: Simplify right side
    8,551.17x = 38,598,205.54
  5. Step 5: Solve for x
    x = 38,598,205.54/8,551.17
  6. Step 6: Final answer
    x = 4,513.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.