Home / 8,417.87-11,617.70-5,062.44

Finding the Fourth Proportional to 8,417.87, 11,617.70 and 5,062.44

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Solution

The fourth proportional to 8,417.87, 11,617.70 and 5,062.44 is: 6,986.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,417.87 : 11,617.70 = 5,062.44 : x
  2. Step 2: Convert to fraction form
    8,417.87/11,617.70 = 5,062.44/x
  3. Step 3: Cross multiply
    8,417.87x = 11,617.70 × 5,062.44
  4. Step 4: Simplify right side
    8,417.87x = 58,813,883.88
  5. Step 5: Solve for x
    x = 58,813,883.88/8,417.87
  6. Step 6: Final answer
    x = 6,986.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.