Home / 9,375.12-14,062.38-3,828.53

Finding the Fourth Proportional to 9,375.12, 14,062.38 and 3,828.53

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Solution

The fourth proportional to 9,375.12, 14,062.38 and 3,828.53 is: 5,742.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,375.12 : 14,062.38 = 3,828.53 : x
  2. Step 2: Convert to fraction form
    9,375.12/14,062.38 = 3,828.53/x
  3. Step 3: Cross multiply
    9,375.12x = 14,062.38 × 3,828.53
  4. Step 4: Simplify right side
    9,375.12x = 53,838,173.39
  5. Step 5: Solve for x
    x = 53,838,173.39/9,375.12
  6. Step 6: Final answer
    x = 5,742.66

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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.