Home / 8,042.72-11,083.92-6,271.52

Finding the Fourth Proportional to 8,042.72, 11,083.92 and 6,271.52

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Solution

The fourth proportional to 8,042.72, 11,083.92 and 6,271.52 is: 8,642.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,042.72 : 11,083.92 = 6,271.52 : x
  2. Step 2: Convert to fraction form
    8,042.72/11,083.92 = 6,271.52/x
  3. Step 3: Cross multiply
    8,042.72x = 11,083.92 × 6,271.52
  4. Step 4: Simplify right side
    8,042.72x = 69,513,025.96
  5. Step 5: Solve for x
    x = 69,513,025.96/8,042.72
  6. Step 6: Final answer
    x = 8,642.97

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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.