Home / 11,078.66-15,288.48-6,042.79

Finding the Fourth Proportional to 11,078.66, 15,288.48 and 6,042.79

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Solution

The fourth proportional to 11,078.66, 15,288.48 and 6,042.79 is: 8,339.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078.66 : 15,288.48 = 6,042.79 : x
  2. Step 2: Convert to fraction form
    11,078.66/15,288.48 = 6,042.79/x
  3. Step 3: Cross multiply
    11,078.66x = 15,288.48 × 6,042.79
  4. Step 4: Simplify right side
    11,078.66x = 92,385,074.06
  5. Step 5: Solve for x
    x = 92,385,074.06/11,078.66
  6. Step 6: Final answer
    x = 8,339.01

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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.