Home / 11,718.64-17,581.56-4,793.68

Finding the Fourth Proportional to 11,718.64, 17,581.56 and 4,793.68

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Solution

The fourth proportional to 11,718.64, 17,581.56 and 4,793.68 is: 7,191.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.64 : 17,581.56 = 4,793.68 : x
  2. Step 2: Convert to fraction form
    11,718.64/17,581.56 = 4,793.68/x
  3. Step 3: Cross multiply
    11,718.64x = 17,581.56 × 4,793.68
  4. Step 4: Simplify right side
    11,718.64x = 84,280,372.54
  5. Step 5: Solve for x
    x = 84,280,372.54/11,718.64
  6. Step 6: Final answer
    x = 7,191.99

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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.