Home / 11,617.08-16,031.04-6,311.76

Finding the Fourth Proportional to 11,617.08, 16,031.04 and 6,311.76

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Solution

The fourth proportional to 11,617.08, 16,031.04 and 6,311.76 is: 8,709.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,617.08 : 16,031.04 = 6,311.76 : x
  2. Step 2: Convert to fraction form
    11,617.08/16,031.04 = 6,311.76/x
  3. Step 3: Cross multiply
    11,617.08x = 16,031.04 × 6,311.76
  4. Step 4: Simplify right side
    11,617.08x = 101,184,077.03
  5. Step 5: Solve for x
    x = 101,184,077.03/11,617.08
  6. Step 6: Final answer
    x = 8,709.94

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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.