Home / 11,926.93-16,459.12-6,621.97

Finding the Fourth Proportional to 11,926.93, 16,459.12 and 6,621.97

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Solution

The fourth proportional to 11,926.93, 16,459.12 and 6,621.97 is: 9,138.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,926.93 : 16,459.12 = 6,621.97 : x
  2. Step 2: Convert to fraction form
    11,926.93/16,459.12 = 6,621.97/x
  3. Step 3: Cross multiply
    11,926.93x = 16,459.12 × 6,621.97
  4. Step 4: Simplify right side
    11,926.93x = 108,991,798.87
  5. Step 5: Solve for x
    x = 108,991,798.87/11,926.93
  6. Step 6: Final answer
    x = 9,138.29

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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.