Home / 11,132.40-16,697.40-4,559.28

Finding the Fourth Proportional to 11,132.40, 16,697.40 and 4,559.28

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Solution

The fourth proportional to 11,132.40, 16,697.40 and 4,559.28 is: 6,838.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,132.40 : 16,697.40 = 4,559.28 : x
  2. Step 2: Convert to fraction form
    11,132.40/16,697.40 = 4,559.28/x
  3. Step 3: Cross multiply
    11,132.40x = 16,697.40 × 4,559.28
  4. Step 4: Simplify right side
    11,132.40x = 76,128,121.87
  5. Step 5: Solve for x
    x = 76,128,121.87/11,132.40
  6. Step 6: Final answer
    x = 6,838.43

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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.