Home / 11,686.56-17,530.08-3,367.20

Finding the Fourth Proportional to 11,686.56, 17,530.08 and 3,367.20

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Solution

The fourth proportional to 11,686.56, 17,530.08 and 3,367.20 is: 5,050.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,686.56 : 17,530.08 = 3,367.20 : x
  2. Step 2: Convert to fraction form
    11,686.56/17,530.08 = 3,367.20/x
  3. Step 3: Cross multiply
    11,686.56x = 17,530.08 × 3,367.20
  4. Step 4: Simplify right side
    11,686.56x = 59,027,285.38
  5. Step 5: Solve for x
    x = 59,027,285.38/11,686.56
  6. Step 6: Final answer
    x = 5,050.87

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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.