Home / 10,882.62-15,020.43-6,169.50

Finding the Fourth Proportional to 10,882.62, 15,020.43 and 6,169.50

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Solution

The fourth proportional to 10,882.62, 15,020.43 and 6,169.50 is: 8,515.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,882.62 : 15,020.43 = 6,169.50 : x
  2. Step 2: Convert to fraction form
    10,882.62/15,020.43 = 6,169.50/x
  3. Step 3: Cross multiply
    10,882.62x = 15,020.43 × 6,169.50
  4. Step 4: Simplify right side
    10,882.62x = 92,668,542.89
  5. Step 5: Solve for x
    x = 92,668,542.89/10,882.62
  6. Step 6: Final answer
    x = 8,515.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.