Home / 11,129.39-15,358.58-6,093.65

Finding the Fourth Proportional to 11,129.39, 15,358.58 and 6,093.65

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Solution

The fourth proportional to 11,129.39, 15,358.58 and 6,093.65 is: 8,409.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129.39 : 15,358.58 = 6,093.65 : x
  2. Step 2: Convert to fraction form
    11,129.39/15,358.58 = 6,093.65/x
  3. Step 3: Cross multiply
    11,129.39x = 15,358.58 × 6,093.65
  4. Step 4: Simplify right side
    11,129.39x = 93,589,703.76
  5. Step 5: Solve for x
    x = 93,589,703.76/11,129.39
  6. Step 6: Final answer
    x = 8,409.24

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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.