Home / 11,617.04-16,031.03-6,311.72

Finding the Fourth Proportional to 11,617.04, 16,031.03 and 6,311.72

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Solution

The fourth proportional to 11,617.04, 16,031.03 and 6,311.72 is: 8,709.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,617.04 : 16,031.03 = 6,311.72 : x
  2. Step 2: Convert to fraction form
    11,617.04/16,031.03 = 6,311.72/x
  3. Step 3: Cross multiply
    11,617.04x = 16,031.03 × 6,311.72
  4. Step 4: Simplify right side
    11,617.04x = 101,183,260.96
  5. Step 5: Solve for x
    x = 101,183,260.96/11,617.04
  6. Step 6: Final answer
    x = 8,709.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.