Home / 11,826.68-17,750.94-5,987.40

Finding the Fourth Proportional to 11,826.68, 17,750.94 and 5,987.40

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Solution

The fourth proportional to 11,826.68, 17,750.94 and 5,987.40 is: 8,986.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,826.68 : 17,750.94 = 5,987.40 : x
  2. Step 2: Convert to fraction form
    11,826.68/17,750.94 = 5,987.40/x
  3. Step 3: Cross multiply
    11,826.68x = 17,750.94 × 5,987.40
  4. Step 4: Simplify right side
    11,826.68x = 106,281,978.16
  5. Step 5: Solve for x
    x = 106,281,978.16/11,826.68
  6. Step 6: Final answer
    x = 8,986.63

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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.