Home / 10,988.88-16,486.02-3,197.76

Finding the Fourth Proportional to 10,988.88, 16,486.02 and 3,197.76

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Solution

The fourth proportional to 10,988.88, 16,486.02 and 3,197.76 is: 4,797.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988.88 : 16,486.02 = 3,197.76 : x
  2. Step 2: Convert to fraction form
    10,988.88/16,486.02 = 3,197.76/x
  3. Step 3: Cross multiply
    10,988.88x = 16,486.02 × 3,197.76
  4. Step 4: Simplify right side
    10,988.88x = 52,718,335.32
  5. Step 5: Solve for x
    x = 52,718,335.32/10,988.88
  6. Step 6: Final answer
    x = 4,797.43

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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.