Home / 12,437.30-17,163.78-6,772.52

Finding the Fourth Proportional to 12,437.30, 17,163.78 and 6,772.52

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Solution

The fourth proportional to 12,437.30, 17,163.78 and 6,772.52 is: 9,346.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,437.30 : 17,163.78 = 6,772.52 : x
  2. Step 2: Convert to fraction form
    12,437.30/17,163.78 = 6,772.52/x
  3. Step 3: Cross multiply
    12,437.30x = 17,163.78 × 6,772.52
  4. Step 4: Simplify right side
    12,437.30x = 116,242,043.33
  5. Step 5: Solve for x
    x = 116,242,043.33/12,437.30
  6. Step 6: Final answer
    x = 9,346.24

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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.