Home / 11,123.24-16,693.08-8,958.12

Finding the Fourth Proportional to 11,123.24, 16,693.08 and 8,958.12

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Solution

The fourth proportional to 11,123.24, 16,693.08 and 8,958.12 is: 13,443.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,123.24 : 16,693.08 = 8,958.12 : x
  2. Step 2: Convert to fraction form
    11,123.24/16,693.08 = 8,958.12/x
  3. Step 3: Cross multiply
    11,123.24x = 16,693.08 × 8,958.12
  4. Step 4: Simplify right side
    11,123.24x = 149,538,613.81
  5. Step 5: Solve for x
    x = 149,538,613.81/11,123.24
  6. Step 6: Final answer
    x = 13,443.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.