Home / 9,371.57-12,932.37-5,122.53

Finding the Fourth Proportional to 9,371.57, 12,932.37 and 5,122.53

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Solution

The fourth proportional to 9,371.57, 12,932.37 and 5,122.53 is: 7,068.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,371.57 : 12,932.37 = 5,122.53 : x
  2. Step 2: Convert to fraction form
    9,371.57/12,932.37 = 5,122.53/x
  3. Step 3: Cross multiply
    9,371.57x = 12,932.37 × 5,122.53
  4. Step 4: Simplify right side
    9,371.57x = 66,246,453.30
  5. Step 5: Solve for x
    x = 66,246,453.30/9,371.57
  6. Step 6: Final answer
    x = 7,068.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.