Home / 12,066.42-16,651.99-6,761.58

Finding the Fourth Proportional to 12,066.42, 16,651.99 and 6,761.58

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Solution

The fourth proportional to 12,066.42, 16,651.99 and 6,761.58 is: 9,331.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,066.42 : 16,651.99 = 6,761.58 : x
  2. Step 2: Convert to fraction form
    12,066.42/16,651.99 = 6,761.58/x
  3. Step 3: Cross multiply
    12,066.42x = 16,651.99 × 6,761.58
  4. Step 4: Simplify right side
    12,066.42x = 112,593,762.54
  5. Step 5: Solve for x
    x = 112,593,762.54/12,066.42
  6. Step 6: Final answer
    x = 9,331.17

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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.