Home / 10,766.04-16,139.48-4,190.68

Finding the Fourth Proportional to 10,766.04, 16,139.48 and 4,190.68

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Solution

The fourth proportional to 10,766.04, 16,139.48 and 4,190.68 is: 6,282.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,766.04 : 16,139.48 = 4,190.68 : x
  2. Step 2: Convert to fraction form
    10,766.04/16,139.48 = 4,190.68/x
  3. Step 3: Cross multiply
    10,766.04x = 16,139.48 × 4,190.68
  4. Step 4: Simplify right side
    10,766.04x = 67,635,396.05
  5. Step 5: Solve for x
    x = 67,635,396.05/10,766.04
  6. Step 6: Final answer
    x = 6,282.29

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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.