Home / 11,913.50-17,865.79-9,567.74

Finding the Fourth Proportional to 11,913.50, 17,865.79 and 9,567.74

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Solution

The fourth proportional to 11,913.50, 17,865.79 and 9,567.74 is: 14,348.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,913.50 : 17,865.79 = 9,567.74 : x
  2. Step 2: Convert to fraction form
    11,913.50/17,865.79 = 9,567.74/x
  3. Step 3: Cross multiply
    11,913.50x = 17,865.79 × 9,567.74
  4. Step 4: Simplify right side
    11,913.50x = 170,935,233.61
  5. Step 5: Solve for x
    x = 170,935,233.61/11,913.50
  6. Step 6: Final answer
    x = 14,348.03

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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.