Home / 11,719.28-17,581.74-4,793.80

Finding the Fourth Proportional to 11,719.28, 17,581.74 and 4,793.80

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Solution

The fourth proportional to 11,719.28, 17,581.74 and 4,793.80 is: 7,191.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,719.28 : 17,581.74 = 4,793.80 : x
  2. Step 2: Convert to fraction form
    11,719.28/17,581.74 = 4,793.80/x
  3. Step 3: Cross multiply
    11,719.28x = 17,581.74 × 4,793.80
  4. Step 4: Simplify right side
    11,719.28x = 84,283,345.21
  5. Step 5: Solve for x
    x = 84,283,345.21/11,719.28
  6. Step 6: Final answer
    x = 7,191.85

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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.