Home / 7,926.69-11,889.14-2,083.76

Finding the Fourth Proportional to 7,926.69, 11,889.14 and 2,083.76

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Solution

The fourth proportional to 7,926.69, 11,889.14 and 2,083.76 is: 3,125.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.69 : 11,889.14 = 2,083.76 : x
  2. Step 2: Convert to fraction form
    7,926.69/11,889.14 = 2,083.76/x
  3. Step 3: Cross multiply
    7,926.69x = 11,889.14 × 2,083.76
  4. Step 4: Simplify right side
    7,926.69x = 24,774,044.50
  5. Step 5: Solve for x
    x = 24,774,044.50/7,926.69
  6. Step 6: Final answer
    x = 3,125.40

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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.