Home / 8,104.77-12,151.25-5,465.72

Finding the Fourth Proportional to 8,104.77, 12,151.25 and 5,465.72

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Solution

The fourth proportional to 8,104.77, 12,151.25 and 5,465.72 is: 8,194.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104.77 : 12,151.25 = 5,465.72 : x
  2. Step 2: Convert to fraction form
    8,104.77/12,151.25 = 5,465.72/x
  3. Step 3: Cross multiply
    8,104.77x = 12,151.25 × 5,465.72
  4. Step 4: Simplify right side
    8,104.77x = 66,415,242.07
  5. Step 5: Solve for x
    x = 66,415,242.07/8,104.77
  6. Step 6: Final answer
    x = 8,194.59

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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.