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Finding the Fourth Proportional to 8,522.16, 11,763.78 and 6,301.90

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Solution

The fourth proportional to 8,522.16, 11,763.78 and 6,301.90 is: 8,698.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,522.16 : 11,763.78 = 6,301.90 : x
  2. Step 2: Convert to fraction form
    8,522.16/11,763.78 = 6,301.90/x
  3. Step 3: Cross multiply
    8,522.16x = 11,763.78 × 6,301.90
  4. Step 4: Simplify right side
    8,522.16x = 74,134,191.70
  5. Step 5: Solve for x
    x = 74,134,191.70/8,522.16
  6. Step 6: Final answer
    x = 8,698.99

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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.