Home / 11,193.84-16,785.90-6,518.52

Finding the Fourth Proportional to 11,193.84, 16,785.90 and 6,518.52

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Solution

The fourth proportional to 11,193.84, 16,785.90 and 6,518.52 is: 9,774.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,193.84 : 16,785.90 = 6,518.52 : x
  2. Step 2: Convert to fraction form
    11,193.84/16,785.90 = 6,518.52/x
  3. Step 3: Cross multiply
    11,193.84x = 16,785.90 × 6,518.52
  4. Step 4: Simplify right side
    11,193.84x = 109,419,224.87
  5. Step 5: Solve for x
    x = 109,419,224.87/11,193.84
  6. Step 6: Final answer
    x = 9,774.95

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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.