Home / 11,744.27-16,206.98-6,439.08

Finding the Fourth Proportional to 11,744.27, 16,206.98 and 6,439.08

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Solution

The fourth proportional to 11,744.27, 16,206.98 and 6,439.08 is: 8,885.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,744.27 : 16,206.98 = 6,439.08 : x
  2. Step 2: Convert to fraction form
    11,744.27/16,206.98 = 6,439.08/x
  3. Step 3: Cross multiply
    11,744.27x = 16,206.98 × 6,439.08
  4. Step 4: Simplify right side
    11,744.27x = 104,358,056.88
  5. Step 5: Solve for x
    x = 104,358,056.88/11,744.27
  6. Step 6: Final answer
    x = 8,885.87

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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.