Home / 11,892.20-17,838.30-6,362.60

Finding the Fourth Proportional to 11,892.20, 17,838.30 and 6,362.60

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Solution

The fourth proportional to 11,892.20, 17,838.30 and 6,362.60 is: 9,543.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,892.20 : 17,838.30 = 6,362.60 : x
  2. Step 2: Convert to fraction form
    11,892.20/17,838.30 = 6,362.60/x
  3. Step 3: Cross multiply
    11,892.20x = 17,838.30 × 6,362.60
  4. Step 4: Simplify right side
    11,892.20x = 113,497,967.58
  5. Step 5: Solve for x
    x = 113,497,967.58/11,892.20
  6. Step 6: Final answer
    x = 9,543.90

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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.