Home / 11,318.60-16,977.90-4,743.04

Finding the Fourth Proportional to 11,318.60, 16,977.90 and 4,743.04

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Solution

The fourth proportional to 11,318.60, 16,977.90 and 4,743.04 is: 7,114.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,318.60 : 16,977.90 = 4,743.04 : x
  2. Step 2: Convert to fraction form
    11,318.60/16,977.90 = 4,743.04/x
  3. Step 3: Cross multiply
    11,318.60x = 16,977.90 × 4,743.04
  4. Step 4: Simplify right side
    11,318.60x = 80,526,858.82
  5. Step 5: Solve for x
    x = 80,526,858.82/11,318.60
  6. Step 6: Final answer
    x = 7,114.56

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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.