Home / 8,030.13-11,077.83-5,198.41

Finding the Fourth Proportional to 8,030.13, 11,077.83 and 5,198.41

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Solution

The fourth proportional to 8,030.13, 11,077.83 and 5,198.41 is: 7,171.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,030.13 : 11,077.83 = 5,198.41 : x
  2. Step 2: Convert to fraction form
    8,030.13/11,077.83 = 5,198.41/x
  3. Step 3: Cross multiply
    8,030.13x = 11,077.83 × 5,198.41
  4. Step 4: Simplify right side
    8,030.13x = 57,587,102.25
  5. Step 5: Solve for x
    x = 57,587,102.25/8,030.13
  6. Step 6: Final answer
    x = 7,171.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.