Home / 10,792.20-16,188.30-9,697.80

Finding the Fourth Proportional to 10,792.20, 16,188.30 and 9,697.80

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Solution

The fourth proportional to 10,792.20, 16,188.30 and 9,697.80 is: 14,546.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,792.20 : 16,188.30 = 9,697.80 : x
  2. Step 2: Convert to fraction form
    10,792.20/16,188.30 = 9,697.80/x
  3. Step 3: Cross multiply
    10,792.20x = 16,188.30 × 9,697.80
  4. Step 4: Simplify right side
    10,792.20x = 156,990,895.74
  5. Step 5: Solve for x
    x = 156,990,895.74/10,792.20
  6. Step 6: Final answer
    x = 14,546.70

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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.