Home / 11,406.12-17,110.26-4,479

Finding the Fourth Proportional to 11,406.12, 17,110.26 and 4,479

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Solution

The fourth proportional to 11,406.12, 17,110.26 and 4,479 is: 6,718.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,406.12 : 17,110.26 = 4,479 : x
  2. Step 2: Convert to fraction form
    11,406.12/17,110.26 = 4,479/x
  3. Step 3: Cross multiply
    11,406.12x = 17,110.26 × 4,479
  4. Step 4: Simplify right side
    11,406.12x = 76,636,854.54
  5. Step 5: Solve for x
    x = 76,636,854.54/11,406.12
  6. Step 6: Final answer
    x = 6,718.92

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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.