Home / 11,078.13-15,288.21-6,042.63

Finding the Fourth Proportional to 11,078.13, 15,288.21 and 6,042.63

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Solution

The fourth proportional to 11,078.13, 15,288.21 and 6,042.63 is: 8,339.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078.13 : 15,288.21 = 6,042.63 : x
  2. Step 2: Convert to fraction form
    11,078.13/15,288.21 = 6,042.63/x
  3. Step 3: Cross multiply
    11,078.13x = 15,288.21 × 6,042.63
  4. Step 4: Simplify right side
    11,078.13x = 92,381,053.72
  5. Step 5: Solve for x
    x = 92,381,053.72/11,078.13
  6. Step 6: Final answer
    x = 8,339.04

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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.