Home / 11,718.96-17,562.60-4,789.68

Finding the Fourth Proportional to 11,718.96, 17,562.60 and 4,789.68

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Solution

The fourth proportional to 11,718.96, 17,562.60 and 4,789.68 is: 7,178.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.96 : 17,562.60 = 4,789.68 : x
  2. Step 2: Convert to fraction form
    11,718.96/17,562.60 = 4,789.68/x
  3. Step 3: Cross multiply
    11,718.96x = 17,562.60 × 4,789.68
  4. Step 4: Simplify right side
    11,718.96x = 84,119,233.97
  5. Step 5: Solve for x
    x = 84,119,233.97/11,718.96
  6. Step 6: Final answer
    x = 7,178.05

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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.