Home / 11,926.27-16,457.74-6,621.42

Finding the Fourth Proportional to 11,926.27, 16,457.74 and 6,621.42

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Solution

The fourth proportional to 11,926.27, 16,457.74 and 6,621.42 is: 9,137.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,926.27 : 16,457.74 = 6,621.42 : x
  2. Step 2: Convert to fraction form
    11,926.27/16,457.74 = 6,621.42/x
  3. Step 3: Cross multiply
    11,926.27x = 16,457.74 × 6,621.42
  4. Step 4: Simplify right side
    11,926.27x = 108,973,608.79
  5. Step 5: Solve for x
    x = 108,973,608.79/11,926.27
  6. Step 6: Final answer
    x = 9,137.28

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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.