Home / 10,934.60-16,401.90-5,739.80

Finding the Fourth Proportional to 10,934.60, 16,401.90 and 5,739.80

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Solution

The fourth proportional to 10,934.60, 16,401.90 and 5,739.80 is: 8,609.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,934.60 : 16,401.90 = 5,739.80 : x
  2. Step 2: Convert to fraction form
    10,934.60/16,401.90 = 5,739.80/x
  3. Step 3: Cross multiply
    10,934.60x = 16,401.90 × 5,739.80
  4. Step 4: Simplify right side
    10,934.60x = 94,143,625.62
  5. Step 5: Solve for x
    x = 94,143,625.62/10,934.60
  6. Step 6: Final answer
    x = 8,609.70

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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.