Home / 11,262.24-16,909.76-7,992.68

Finding the Fourth Proportional to 11,262.24, 16,909.76 and 7,992.68

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Solution

The fourth proportional to 11,262.24, 16,909.76 and 7,992.68 is: 12,000.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,262.24 : 16,909.76 = 7,992.68 : x
  2. Step 2: Convert to fraction form
    11,262.24/16,909.76 = 7,992.68/x
  3. Step 3: Cross multiply
    11,262.24x = 16,909.76 × 7,992.68
  4. Step 4: Simplify right side
    11,262.24x = 135,154,235.99
  5. Step 5: Solve for x
    x = 135,154,235.99/11,262.24
  6. Step 6: Final answer
    x = 12,000.65

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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.