Home / 11,776.62-16,251.68-6,740.81

Finding the Fourth Proportional to 11,776.62, 16,251.68 and 6,740.81

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Solution

The fourth proportional to 11,776.62, 16,251.68 and 6,740.81 is: 9,302.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,776.62 : 16,251.68 = 6,740.81 : x
  2. Step 2: Convert to fraction form
    11,776.62/16,251.68 = 6,740.81/x
  3. Step 3: Cross multiply
    11,776.62x = 16,251.68 × 6,740.81
  4. Step 4: Simplify right side
    11,776.62x = 109,549,544.54
  5. Step 5: Solve for x
    x = 109,549,544.54/11,776.62
  6. Step 6: Final answer
    x = 9,302.29

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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.