Home / 13,091.77-19,634.91-4,324.69

Finding the Fourth Proportional to 13,091.77, 19,634.91 and 4,324.69

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Solution

The fourth proportional to 13,091.77, 19,634.91 and 4,324.69 is: 6,486.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,091.77 : 19,634.91 = 4,324.69 : x
  2. Step 2: Convert to fraction form
    13,091.77/19,634.91 = 4,324.69/x
  3. Step 3: Cross multiply
    13,091.77x = 19,634.91 × 4,324.69
  4. Step 4: Simplify right side
    13,091.77x = 84,914,898.93
  5. Step 5: Solve for x
    x = 84,914,898.93/13,091.77
  6. Step 6: Final answer
    x = 6,486.13

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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.