Home / 11,834.80-17,752.20-10,913.20

Finding the Fourth Proportional to 11,834.80, 17,752.20 and 10,913.20

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Solution

The fourth proportional to 11,834.80, 17,752.20 and 10,913.20 is: 16,369.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,834.80 : 17,752.20 = 10,913.20 : x
  2. Step 2: Convert to fraction form
    11,834.80/17,752.20 = 10,913.20/x
  3. Step 3: Cross multiply
    11,834.80x = 17,752.20 × 10,913.20
  4. Step 4: Simplify right side
    11,834.80x = 193,733,309.04
  5. Step 5: Solve for x
    x = 193,733,309.04/11,834.80
  6. Step 6: Final answer
    x = 16,369.80

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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.