Home / 8,092.38-12,139.58-2,898.25

Finding the Fourth Proportional to 8,092.38, 12,139.58 and 2,898.25

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Solution

The fourth proportional to 8,092.38, 12,139.58 and 2,898.25 is: 4,347.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,092.38 : 12,139.58 = 2,898.25 : x
  2. Step 2: Convert to fraction form
    8,092.38/12,139.58 = 2,898.25/x
  3. Step 3: Cross multiply
    8,092.38x = 12,139.58 × 2,898.25
  4. Step 4: Simplify right side
    8,092.38x = 35,183,537.74
  5. Step 5: Solve for x
    x = 35,183,537.74/8,092.38
  6. Step 6: Final answer
    x = 4,347.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.