Home / 12,066.20-16,651.07-6,762.12

Finding the Fourth Proportional to 12,066.20, 16,651.07 and 6,762.12

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Solution

The fourth proportional to 12,066.20, 16,651.07 and 6,762.12 is: 9,331.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,066.20 : 16,651.07 = 6,762.12 : x
  2. Step 2: Convert to fraction form
    12,066.20/16,651.07 = 6,762.12/x
  3. Step 3: Cross multiply
    12,066.20x = 16,651.07 × 6,762.12
  4. Step 4: Simplify right side
    12,066.20x = 112,596,462.57
  5. Step 5: Solve for x
    x = 112,596,462.57/12,066.20
  6. Step 6: Final answer
    x = 9,331.56

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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.