Home / 9,174.18-13,763.70-3,909.36

Finding the Fourth Proportional to 9,174.18, 13,763.70 and 3,909.36

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Solution

The fourth proportional to 9,174.18, 13,763.70 and 3,909.36 is: 5,865.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,174.18 : 13,763.70 = 3,909.36 : x
  2. Step 2: Convert to fraction form
    9,174.18/13,763.70 = 3,909.36/x
  3. Step 3: Cross multiply
    9,174.18x = 13,763.70 × 3,909.36
  4. Step 4: Simplify right side
    9,174.18x = 53,807,258.23
  5. Step 5: Solve for x
    x = 53,807,258.23/9,174.18
  6. Step 6: Final answer
    x = 5,865.08

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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.