Home / 10,763.24-16,131.90-4,911.80

Finding the Fourth Proportional to 10,763.24, 16,131.90 and 4,911.80

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Solution

The fourth proportional to 10,763.24, 16,131.90 and 4,911.80 is: 7,361.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,763.24 : 16,131.90 = 4,911.80 : x
  2. Step 2: Convert to fraction form
    10,763.24/16,131.90 = 4,911.80/x
  3. Step 3: Cross multiply
    10,763.24x = 16,131.90 × 4,911.80
  4. Step 4: Simplify right side
    10,763.24x = 79,236,666.42
  5. Step 5: Solve for x
    x = 79,236,666.42/10,763.24
  6. Step 6: Final answer
    x = 7,361.79

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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.