Home / 11,153.19-16,732.62-4,913.76

Finding the Fourth Proportional to 11,153.19, 16,732.62 and 4,913.76

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Solution

The fourth proportional to 11,153.19, 16,732.62 and 4,913.76 is: 7,371.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.19 : 16,732.62 = 4,913.76 : x
  2. Step 2: Convert to fraction form
    11,153.19/16,732.62 = 4,913.76/x
  3. Step 3: Cross multiply
    11,153.19x = 16,732.62 × 4,913.76
  4. Step 4: Simplify right side
    11,153.19x = 82,220,078.85
  5. Step 5: Solve for x
    x = 82,220,078.85/11,153.19
  6. Step 6: Final answer
    x = 7,371.89

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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.