Home / 10,269.91-15,406.77-3,251.70

Finding the Fourth Proportional to 10,269.91, 15,406.77 and 3,251.70

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Solution

The fourth proportional to 10,269.91, 15,406.77 and 3,251.70 is: 4,878.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,269.91 : 15,406.77 = 3,251.70 : x
  2. Step 2: Convert to fraction form
    10,269.91/15,406.77 = 3,251.70/x
  3. Step 3: Cross multiply
    10,269.91x = 15,406.77 × 3,251.70
  4. Step 4: Simplify right side
    10,269.91x = 50,098,116.98
  5. Step 5: Solve for x
    x = 50,098,116.98/10,269.91
  6. Step 6: Final answer
    x = 4,878.15

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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.