Home / 12,304.36-18,445.50-4,507.72

Finding the Fourth Proportional to 12,304.36, 18,445.50 and 4,507.72

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Solution

The fourth proportional to 12,304.36, 18,445.50 and 4,507.72 is: 6,757.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,304.36 : 18,445.50 = 4,507.72 : x
  2. Step 2: Convert to fraction form
    12,304.36/18,445.50 = 4,507.72/x
  3. Step 3: Cross multiply
    12,304.36x = 18,445.50 × 4,507.72
  4. Step 4: Simplify right side
    12,304.36x = 83,147,149.26
  5. Step 5: Solve for x
    x = 83,147,149.26/12,304.36
  6. Step 6: Final answer
    x = 6,757.54

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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.