Home / 11,002.24-15,183.48-7,865.92

Finding the Fourth Proportional to 11,002.24, 15,183.48 and 7,865.92

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Solution

The fourth proportional to 11,002.24, 15,183.48 and 7,865.92 is: 10,855.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,002.24 : 15,183.48 = 7,865.92 : x
  2. Step 2: Convert to fraction form
    11,002.24/15,183.48 = 7,865.92/x
  3. Step 3: Cross multiply
    11,002.24x = 15,183.48 × 7,865.92
  4. Step 4: Simplify right side
    11,002.24x = 119,432,039.00
  5. Step 5: Solve for x
    x = 119,432,039.00/11,002.24
  6. Step 6: Final answer
    x = 10,855.25

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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.