Home / 11,926.58-16,457.49-6,620.83

Finding the Fourth Proportional to 11,926.58, 16,457.49 and 6,620.83

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Solution

The fourth proportional to 11,926.58, 16,457.49 and 6,620.83 is: 9,136.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,926.58 : 16,457.49 = 6,620.83 : x
  2. Step 2: Convert to fraction form
    11,926.58/16,457.49 = 6,620.83/x
  3. Step 3: Cross multiply
    11,926.58x = 16,457.49 × 6,620.83
  4. Step 4: Simplify right side
    11,926.58x = 108,962,243.52
  5. Step 5: Solve for x
    x = 108,962,243.52/11,926.58
  6. Step 6: Final answer
    x = 9,136.08

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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.