Home / 10,928.66-16,395.08-4,687.79

Finding the Fourth Proportional to 10,928.66, 16,395.08 and 4,687.79

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Solution

The fourth proportional to 10,928.66, 16,395.08 and 4,687.79 is: 7,032.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,928.66 : 16,395.08 = 4,687.79 : x
  2. Step 2: Convert to fraction form
    10,928.66/16,395.08 = 4,687.79/x
  3. Step 3: Cross multiply
    10,928.66x = 16,395.08 × 4,687.79
  4. Step 4: Simplify right side
    10,928.66x = 76,856,586.66
  5. Step 5: Solve for x
    x = 76,856,586.66/10,928.66
  6. Step 6: Final answer
    x = 7,032.58

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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.