Home / 12,066.57-18,097.12-4,275.38

Finding the Fourth Proportional to 12,066.57, 18,097.12 and 4,275.38

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Solution

The fourth proportional to 12,066.57, 18,097.12 and 4,275.38 is: 6,412.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,066.57 : 18,097.12 = 4,275.38 : x
  2. Step 2: Convert to fraction form
    12,066.57/18,097.12 = 4,275.38/x
  3. Step 3: Cross multiply
    12,066.57x = 18,097.12 × 4,275.38
  4. Step 4: Simplify right side
    12,066.57x = 77,372,115.49
  5. Step 5: Solve for x
    x = 77,372,115.49/12,066.57
  6. Step 6: Final answer
    x = 6,412.11

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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.