Home / 11,156.66-16,712.20-6,228.92

Finding the Fourth Proportional to 11,156.66, 16,712.20 and 6,228.92

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Solution

The fourth proportional to 11,156.66, 16,712.20 and 6,228.92 is: 9,330.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,156.66 : 16,712.20 = 6,228.92 : x
  2. Step 2: Convert to fraction form
    11,156.66/16,712.20 = 6,228.92/x
  3. Step 3: Cross multiply
    11,156.66x = 16,712.20 × 6,228.92
  4. Step 4: Simplify right side
    11,156.66x = 104,098,983.03
  5. Step 5: Solve for x
    x = 104,098,983.03/11,156.66
  6. Step 6: Final answer
    x = 9,330.66

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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.