Home / 11,128.97-16,700.02-4,113.95

Finding the Fourth Proportional to 11,128.97, 16,700.02 and 4,113.95

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Solution

The fourth proportional to 11,128.97, 16,700.02 and 4,113.95 is: 6,173.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,128.97 : 16,700.02 = 4,113.95 : x
  2. Step 2: Convert to fraction form
    11,128.97/16,700.02 = 4,113.95/x
  3. Step 3: Cross multiply
    11,128.97x = 16,700.02 × 4,113.95
  4. Step 4: Simplify right side
    11,128.97x = 68,702,953.49
  5. Step 5: Solve for x
    x = 68,702,953.49/11,128.97
  6. Step 6: Final answer
    x = 6,173.34

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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.