Home / 12,071.45-16,659.24-6,767.96

Finding the Fourth Proportional to 12,071.45, 16,659.24 and 6,767.96

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Solution

The fourth proportional to 12,071.45, 16,659.24 and 6,767.96 is: 9,340.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071.45 : 16,659.24 = 6,767.96 : x
  2. Step 2: Convert to fraction form
    12,071.45/16,659.24 = 6,767.96/x
  3. Step 3: Cross multiply
    12,071.45x = 16,659.24 × 6,767.96
  4. Step 4: Simplify right side
    12,071.45x = 112,749,069.95
  5. Step 5: Solve for x
    x = 112,749,069.95/12,071.45
  6. Step 6: Final answer
    x = 9,340.14

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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.