Home / 11,246.66-16,869.18-3,455

Finding the Fourth Proportional to 11,246.66, 16,869.18 and 3,455

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Solution

The fourth proportional to 11,246.66, 16,869.18 and 3,455 is: 5,182.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246.66 : 16,869.18 = 3,455 : x
  2. Step 2: Convert to fraction form
    11,246.66/16,869.18 = 3,455/x
  3. Step 3: Cross multiply
    11,246.66x = 16,869.18 × 3,455
  4. Step 4: Simplify right side
    11,246.66x = 58,283,016.90
  5. Step 5: Solve for x
    x = 58,283,016.90/11,246.66
  6. Step 6: Final answer
    x = 5,182.25

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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.