Home / 11,140.29-16,706.49-8,010.90

Finding the Fourth Proportional to 11,140.29, 16,706.49 and 8,010.90

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Solution

The fourth proportional to 11,140.29, 16,706.49 and 8,010.90 is: 12,013.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.29 : 16,706.49 = 8,010.90 : x
  2. Step 2: Convert to fraction form
    11,140.29/16,706.49 = 8,010.90/x
  3. Step 3: Cross multiply
    11,140.29x = 16,706.49 × 8,010.90
  4. Step 4: Simplify right side
    11,140.29x = 133,834,020.74
  5. Step 5: Solve for x
    x = 133,834,020.74/11,140.29
  6. Step 6: Final answer
    x = 12,013.51

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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.