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Finding the Fourth Proportional to 11,066.70, 16,622.18 and 6,914.10

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Solution

The fourth proportional to 11,066.70, 16,622.18 and 6,914.10 is: 10,384.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,066.70 : 16,622.18 = 6,914.10 : x
  2. Step 2: Convert to fraction form
    11,066.70/16,622.18 = 6,914.10/x
  3. Step 3: Cross multiply
    11,066.70x = 16,622.18 × 6,914.10
  4. Step 4: Simplify right side
    11,066.70x = 114,927,414.74
  5. Step 5: Solve for x
    x = 114,927,414.74/11,066.70
  6. Step 6: Final answer
    x = 10,384.98

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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.