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Finding the Fourth Proportional to 9,814.12, 13,522.98 and 6,664.84

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Solution

The fourth proportional to 9,814.12, 13,522.98 and 6,664.84 is: 9,183.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,814.12 : 13,522.98 = 6,664.84 : x
  2. Step 2: Convert to fraction form
    9,814.12/13,522.98 = 6,664.84/x
  3. Step 3: Cross multiply
    9,814.12x = 13,522.98 × 6,664.84
  4. Step 4: Simplify right side
    9,814.12x = 90,128,498.02
  5. Step 5: Solve for x
    x = 90,128,498.02/9,814.12
  6. Step 6: Final answer
    x = 9,183.55

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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.