Home / 11,129.50-15,359.12-6,093.93

Finding the Fourth Proportional to 11,129.50, 15,359.12 and 6,093.93

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Solution

The fourth proportional to 11,129.50, 15,359.12 and 6,093.93 is: 8,409.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129.50 : 15,359.12 = 6,093.93 : x
  2. Step 2: Convert to fraction form
    11,129.50/15,359.12 = 6,093.93/x
  3. Step 3: Cross multiply
    11,129.50x = 15,359.12 × 6,093.93
  4. Step 4: Simplify right side
    11,129.50x = 93,597,452.12
  5. Step 5: Solve for x
    x = 93,597,452.12/11,129.50
  6. Step 6: Final answer
    x = 8,409.85

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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.