Home / 11,723.66-16,178.55-6,346.07

Finding the Fourth Proportional to 11,723.66, 16,178.55 and 6,346.07

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Solution

The fourth proportional to 11,723.66, 16,178.55 and 6,346.07 is: 8,757.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,723.66 : 16,178.55 = 6,346.07 : x
  2. Step 2: Convert to fraction form
    11,723.66/16,178.55 = 6,346.07/x
  3. Step 3: Cross multiply
    11,723.66x = 16,178.55 × 6,346.07
  4. Step 4: Simplify right side
    11,723.66x = 102,670,166.78
  5. Step 5: Solve for x
    x = 102,670,166.78/11,723.66
  6. Step 6: Final answer
    x = 8,757.52

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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.