Home / 12,073.30-16,661.10-6,768.11

Finding the Fourth Proportional to 12,073.30, 16,661.10 and 6,768.11

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Solution

The fourth proportional to 12,073.30, 16,661.10 and 6,768.11 is: 9,339.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,073.30 : 16,661.10 = 6,768.11 : x
  2. Step 2: Convert to fraction form
    12,073.30/16,661.10 = 6,768.11/x
  3. Step 3: Cross multiply
    12,073.30x = 16,661.10 × 6,768.11
  4. Step 4: Simplify right side
    12,073.30x = 112,764,157.52
  5. Step 5: Solve for x
    x = 112,764,157.52/12,073.30
  6. Step 6: Final answer
    x = 9,339.96

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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.