Home / 11,000.02-16,500.06-2,680.04

Finding the Fourth Proportional to 11,000.02, 16,500.06 and 2,680.04

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Solution

The fourth proportional to 11,000.02, 16,500.06 and 2,680.04 is: 4,020.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,000.02 : 16,500.06 = 2,680.04 : x
  2. Step 2: Convert to fraction form
    11,000.02/16,500.06 = 2,680.04/x
  3. Step 3: Cross multiply
    11,000.02x = 16,500.06 × 2,680.04
  4. Step 4: Simplify right side
    11,000.02x = 44,220,820.80
  5. Step 5: Solve for x
    x = 44,220,820.80/11,000.02
  6. Step 6: Final answer
    x = 4,020.07

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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.