Home / 11,988.02-16,543.49-6,682.73

Finding the Fourth Proportional to 11,988.02, 16,543.49 and 6,682.73

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Solution

The fourth proportional to 11,988.02, 16,543.49 and 6,682.73 is: 9,222.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,988.02 : 16,543.49 = 6,682.73 : x
  2. Step 2: Convert to fraction form
    11,988.02/16,543.49 = 6,682.73/x
  3. Step 3: Cross multiply
    11,988.02x = 16,543.49 × 6,682.73
  4. Step 4: Simplify right side
    11,988.02x = 110,555,560.80
  5. Step 5: Solve for x
    x = 110,555,560.80/11,988.02
  6. Step 6: Final answer
    x = 9,222.17

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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.