Home / 9,179.12-13,764.13-3,913.31

Finding the Fourth Proportional to 9,179.12, 13,764.13 and 3,913.31

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Solution

The fourth proportional to 9,179.12, 13,764.13 and 3,913.31 is: 5,868.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,179.12 : 13,764.13 = 3,913.31 : x
  2. Step 2: Convert to fraction form
    9,179.12/13,764.13 = 3,913.31/x
  3. Step 3: Cross multiply
    9,179.12x = 13,764.13 × 3,913.31
  4. Step 4: Simplify right side
    9,179.12x = 53,863,332.20
  5. Step 5: Solve for x
    x = 53,863,332.20/9,179.12
  6. Step 6: Final answer
    x = 5,868.03

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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.