Home / 11,078.11-15,287.61-6,042.25

Finding the Fourth Proportional to 11,078.11, 15,287.61 and 6,042.25

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Solution

The fourth proportional to 11,078.11, 15,287.61 and 6,042.25 is: 8,338.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078.11 : 15,287.61 = 6,042.25 : x
  2. Step 2: Convert to fraction form
    11,078.11/15,287.61 = 6,042.25/x
  3. Step 3: Cross multiply
    11,078.11x = 15,287.61 × 6,042.25
  4. Step 4: Simplify right side
    11,078.11x = 92,371,561.52
  5. Step 5: Solve for x
    x = 92,371,561.52/11,078.11
  6. Step 6: Final answer
    x = 8,338.21

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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.