Home / 12,057.21-16,639.25-6,753.11

Finding the Fourth Proportional to 12,057.21, 16,639.25 and 6,753.11

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Solution

The fourth proportional to 12,057.21, 16,639.25 and 6,753.11 is: 9,319.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,057.21 : 16,639.25 = 6,753.11 : x
  2. Step 2: Convert to fraction form
    12,057.21/16,639.25 = 6,753.11/x
  3. Step 3: Cross multiply
    12,057.21x = 16,639.25 × 6,753.11
  4. Step 4: Simplify right side
    12,057.21x = 112,366,685.57
  5. Step 5: Solve for x
    x = 112,366,685.57/12,057.21
  6. Step 6: Final answer
    x = 9,319.46

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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.