Home / 9,369.60-14,052.90-3,129.36

Finding the Fourth Proportional to 9,369.60, 14,052.90 and 3,129.36

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Solution

The fourth proportional to 9,369.60, 14,052.90 and 3,129.36 is: 4,693.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,369.60 : 14,052.90 = 3,129.36 : x
  2. Step 2: Convert to fraction form
    9,369.60/14,052.90 = 3,129.36/x
  3. Step 3: Cross multiply
    9,369.60x = 14,052.90 × 3,129.36
  4. Step 4: Simplify right side
    9,369.60x = 43,976,583.14
  5. Step 5: Solve for x
    x = 43,976,583.14/9,369.60
  6. Step 6: Final answer
    x = 4,693.54

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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.