Home / 11,153.88-16,732.23-3,756.78

Finding the Fourth Proportional to 11,153.88, 16,732.23 and 3,756.78

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Solution

The fourth proportional to 11,153.88, 16,732.23 and 3,756.78 is: 5,635.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.88 : 16,732.23 = 3,756.78 : x
  2. Step 2: Convert to fraction form
    11,153.88/16,732.23 = 3,756.78/x
  3. Step 3: Cross multiply
    11,153.88x = 16,732.23 × 3,756.78
  4. Step 4: Simplify right side
    11,153.88x = 62,859,307.02
  5. Step 5: Solve for x
    x = 62,859,307.02/11,153.88
  6. Step 6: Final answer
    x = 5,635.64

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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.