Home / 9,119.31-13,679.16-4,734.37

Finding the Fourth Proportional to 9,119.31, 13,679.16 and 4,734.37

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Solution

The fourth proportional to 9,119.31, 13,679.16 and 4,734.37 is: 7,101.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119.31 : 13,679.16 = 4,734.37 : x
  2. Step 2: Convert to fraction form
    9,119.31/13,679.16 = 4,734.37/x
  3. Step 3: Cross multiply
    9,119.31x = 13,679.16 × 4,734.37
  4. Step 4: Simplify right side
    9,119.31x = 64,762,204.73
  5. Step 5: Solve for x
    x = 64,762,204.73/9,119.31
  6. Step 6: Final answer
    x = 7,101.66

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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.