Home / 11,776.56-16,247-6,738.08

Finding the Fourth Proportional to 11,776.56, 16,247 and 6,738.08

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Solution

The fourth proportional to 11,776.56, 16,247 and 6,738.08 is: 9,295.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,776.56 : 16,247 = 6,738.08 : x
  2. Step 2: Convert to fraction form
    11,776.56/16,247 = 6,738.08/x
  3. Step 3: Cross multiply
    11,776.56x = 16,247 × 6,738.08
  4. Step 4: Simplify right side
    11,776.56x = 109,473,585.76
  5. Step 5: Solve for x
    x = 109,473,585.76/11,776.56
  6. Step 6: Final answer
    x = 9,295.89

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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.