Home / 12,646.74-18,960.72-6,066.66

Finding the Fourth Proportional to 12,646.74, 18,960.72 and 6,066.66

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Solution

The fourth proportional to 12,646.74, 18,960.72 and 6,066.66 is: 9,095.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,646.74 : 18,960.72 = 6,066.66 : x
  2. Step 2: Convert to fraction form
    12,646.74/18,960.72 = 6,066.66/x
  3. Step 3: Cross multiply
    12,646.74x = 18,960.72 × 6,066.66
  4. Step 4: Simplify right side
    12,646.74x = 115,028,241.60
  5. Step 5: Solve for x
    x = 115,028,241.60/12,646.74
  6. Step 6: Final answer
    x = 9,095.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.