Home / 11,009.06-16,516.29-5,158.85

Finding the Fourth Proportional to 11,009.06, 16,516.29 and 5,158.85

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Solution

The fourth proportional to 11,009.06, 16,516.29 and 5,158.85 is: 7,739.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,009.06 : 16,516.29 = 5,158.85 : x
  2. Step 2: Convert to fraction form
    11,009.06/16,516.29 = 5,158.85/x
  3. Step 3: Cross multiply
    11,009.06x = 16,516.29 × 5,158.85
  4. Step 4: Simplify right side
    11,009.06x = 85,205,062.67
  5. Step 5: Solve for x
    x = 85,205,062.67/11,009.06
  6. Step 6: Final answer
    x = 7,739.54

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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.