Home / 12,066.92-16,651.49-6,688.97

Finding the Fourth Proportional to 12,066.92, 16,651.49 and 6,688.97

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Solution

The fourth proportional to 12,066.92, 16,651.49 and 6,688.97 is: 9,230.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,066.92 : 16,651.49 = 6,688.97 : x
  2. Step 2: Convert to fraction form
    12,066.92/16,651.49 = 6,688.97/x
  3. Step 3: Cross multiply
    12,066.92x = 16,651.49 × 6,688.97
  4. Step 4: Simplify right side
    12,066.92x = 111,381,250.53
  5. Step 5: Solve for x
    x = 111,381,250.53/12,066.92
  6. Step 6: Final answer
    x = 9,230.30

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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.