Home / 11,776.35-16,251.36-6,471.51

Finding the Fourth Proportional to 11,776.35, 16,251.36 and 6,471.51

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Solution

The fourth proportional to 11,776.35, 16,251.36 and 6,471.51 is: 8,930.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,776.35 : 16,251.36 = 6,471.51 : x
  2. Step 2: Convert to fraction form
    11,776.35/16,251.36 = 6,471.51/x
  3. Step 3: Cross multiply
    11,776.35x = 16,251.36 × 6,471.51
  4. Step 4: Simplify right side
    11,776.35x = 105,170,838.75
  5. Step 5: Solve for x
    x = 105,170,838.75/11,776.35
  6. Step 6: Final answer
    x = 8,930.68

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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.