Home / 9,311.28-13,962.52-3,383.98

Finding the Fourth Proportional to 9,311.28, 13,962.52 and 3,383.98

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Solution

The fourth proportional to 9,311.28, 13,962.52 and 3,383.98 is: 5,074.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,311.28 : 13,962.52 = 3,383.98 : x
  2. Step 2: Convert to fraction form
    9,311.28/13,962.52 = 3,383.98/x
  3. Step 3: Cross multiply
    9,311.28x = 13,962.52 × 3,383.98
  4. Step 4: Simplify right side
    9,311.28x = 47,248,888.43
  5. Step 5: Solve for x
    x = 47,248,888.43/9,311.28
  6. Step 6: Final answer
    x = 5,074.37

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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.