Home / 11,956.10-16,498.50-6,650.06

Finding the Fourth Proportional to 11,956.10, 16,498.50 and 6,650.06

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Solution

The fourth proportional to 11,956.10, 16,498.50 and 6,650.06 is: 9,176.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,956.10 : 16,498.50 = 6,650.06 : x
  2. Step 2: Convert to fraction form
    11,956.10/16,498.50 = 6,650.06/x
  3. Step 3: Cross multiply
    11,956.10x = 16,498.50 × 6,650.06
  4. Step 4: Simplify right side
    11,956.10x = 109,716,014.91
  5. Step 5: Solve for x
    x = 109,716,014.91/11,956.10
  6. Step 6: Final answer
    x = 9,176.57

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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.