Home / 11,330.54-16,992.57-5,780.42

Finding the Fourth Proportional to 11,330.54, 16,992.57 and 5,780.42

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Solution

The fourth proportional to 11,330.54, 16,992.57 and 5,780.42 is: 8,668.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,330.54 : 16,992.57 = 5,780.42 : x
  2. Step 2: Convert to fraction form
    11,330.54/16,992.57 = 5,780.42/x
  3. Step 3: Cross multiply
    11,330.54x = 16,992.57 × 5,780.42
  4. Step 4: Simplify right side
    11,330.54x = 98,224,191.48
  5. Step 5: Solve for x
    x = 98,224,191.48/11,330.54
  6. Step 6: Final answer
    x = 8,668.98

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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.