Home / 8,041.88-12,064.66-3,111.56

Finding the Fourth Proportional to 8,041.88, 12,064.66 and 3,111.56

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Solution

The fourth proportional to 8,041.88, 12,064.66 and 3,111.56 is: 4,668.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,041.88 : 12,064.66 = 3,111.56 : x
  2. Step 2: Convert to fraction form
    8,041.88/12,064.66 = 3,111.56/x
  3. Step 3: Cross multiply
    8,041.88x = 12,064.66 × 3,111.56
  4. Step 4: Simplify right side
    8,041.88x = 37,539,913.47
  5. Step 5: Solve for x
    x = 37,539,913.47/8,041.88
  6. Step 6: Final answer
    x = 4,668.05

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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.