Home / 12,393.38-18,564.96-6,134.52

Finding the Fourth Proportional to 12,393.38, 18,564.96 and 6,134.52

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Solution

The fourth proportional to 12,393.38, 18,564.96 and 6,134.52 is: 9,189.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393.38 : 18,564.96 = 6,134.52 : x
  2. Step 2: Convert to fraction form
    12,393.38/18,564.96 = 6,134.52/x
  3. Step 3: Cross multiply
    12,393.38x = 18,564.96 × 6,134.52
  4. Step 4: Simplify right side
    12,393.38x = 113,887,118.42
  5. Step 5: Solve for x
    x = 113,887,118.42/12,393.38
  6. Step 6: Final answer
    x = 9,189.35

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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.