Home / 7,476.20-11,204.70-6,650.60

Finding the Fourth Proportional to 7,476.20, 11,204.70 and 6,650.60

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Solution

The fourth proportional to 7,476.20, 11,204.70 and 6,650.60 is: 9,967.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,476.20 : 11,204.70 = 6,650.60 : x
  2. Step 2: Convert to fraction form
    7,476.20/11,204.70 = 6,650.60/x
  3. Step 3: Cross multiply
    7,476.20x = 11,204.70 × 6,650.60
  4. Step 4: Simplify right side
    7,476.20x = 74,517,977.82
  5. Step 5: Solve for x
    x = 74,517,977.82/7,476.20
  6. Step 6: Final answer
    x = 9,967.36

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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.