Home / 8,498.24-11,722.92-5,139.44

Finding the Fourth Proportional to 8,498.24, 11,722.92 and 5,139.44

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Solution

The fourth proportional to 8,498.24, 11,722.92 and 5,139.44 is: 7,089.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,498.24 : 11,722.92 = 5,139.44 : x
  2. Step 2: Convert to fraction form
    8,498.24/11,722.92 = 5,139.44/x
  3. Step 3: Cross multiply
    8,498.24x = 11,722.92 × 5,139.44
  4. Step 4: Simplify right side
    8,498.24x = 60,249,243.96
  5. Step 5: Solve for x
    x = 60,249,243.96/8,498.24
  6. Step 6: Final answer
    x = 7,089.61

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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.