Home / 11,192.76-16,789.62-5,639.46

Finding the Fourth Proportional to 11,192.76, 16,789.62 and 5,639.46

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Solution

The fourth proportional to 11,192.76, 16,789.62 and 5,639.46 is: 8,459.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,192.76 : 16,789.62 = 5,639.46 : x
  2. Step 2: Convert to fraction form
    11,192.76/16,789.62 = 5,639.46/x
  3. Step 3: Cross multiply
    11,192.76x = 16,789.62 × 5,639.46
  4. Step 4: Simplify right side
    11,192.76x = 94,684,390.41
  5. Step 5: Solve for x
    x = 94,684,390.41/11,192.76
  6. Step 6: Final answer
    x = 8,459.43

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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.