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Finding the Fourth Proportional to 11,662.40, 16,094.06 and 6,357.20

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Solution

The fourth proportional to 11,662.40, 16,094.06 and 6,357.20 is: 8,772.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,662.40 : 16,094.06 = 6,357.20 : x
  2. Step 2: Convert to fraction form
    11,662.40/16,094.06 = 6,357.20/x
  3. Step 3: Cross multiply
    11,662.40x = 16,094.06 × 6,357.20
  4. Step 4: Simplify right side
    11,662.40x = 102,313,158.23
  5. Step 5: Solve for x
    x = 102,313,158.23/11,662.40
  6. Step 6: Final answer
    x = 8,772.91

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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.