Home / 10,950.20-16,391.36-8,852.70

Finding the Fourth Proportional to 10,950.20, 16,391.36 and 8,852.70

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Solution

The fourth proportional to 10,950.20, 16,391.36 and 8,852.70 is: 13,251.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,950.20 : 16,391.36 = 8,852.70 : x
  2. Step 2: Convert to fraction form
    10,950.20/16,391.36 = 8,852.70/x
  3. Step 3: Cross multiply
    10,950.20x = 16,391.36 × 8,852.70
  4. Step 4: Simplify right side
    10,950.20x = 145,107,792.67
  5. Step 5: Solve for x
    x = 145,107,792.67/10,950.20
  6. Step 6: Final answer
    x = 13,251.61

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1.5x scale

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.