Home / 11,926.99-16,459.56-6,622.03

Finding the Fourth Proportional to 11,926.99, 16,459.56 and 6,622.03

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Solution

The fourth proportional to 11,926.99, 16,459.56 and 6,622.03 is: 9,138.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,926.99 : 16,459.56 = 6,622.03 : x
  2. Step 2: Convert to fraction form
    11,926.99/16,459.56 = 6,622.03/x
  3. Step 3: Cross multiply
    11,926.99x = 16,459.56 × 6,622.03
  4. Step 4: Simplify right side
    11,926.99x = 108,995,700.11
  5. Step 5: Solve for x
    x = 108,995,700.11/11,926.99
  6. Step 6: Final answer
    x = 9,138.58

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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.