Home / 11,339.04-16,991.24-4,761.62

Finding the Fourth Proportional to 11,339.04, 16,991.24 and 4,761.62

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Solution

The fourth proportional to 11,339.04, 16,991.24 and 4,761.62 is: 7,135.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,339.04 : 16,991.24 = 4,761.62 : x
  2. Step 2: Convert to fraction form
    11,339.04/16,991.24 = 4,761.62/x
  3. Step 3: Cross multiply
    11,339.04x = 16,991.24 × 4,761.62
  4. Step 4: Simplify right side
    11,339.04x = 80,905,719.44
  5. Step 5: Solve for x
    x = 80,905,719.44/11,339.04
  6. Step 6: Final answer
    x = 7,135.15

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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.