Home / 11,892.38-16,412.42-6,587.69

Finding the Fourth Proportional to 11,892.38, 16,412.42 and 6,587.69

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Solution

The fourth proportional to 11,892.38, 16,412.42 and 6,587.69 is: 9,091.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,892.38 : 16,412.42 = 6,587.69 : x
  2. Step 2: Convert to fraction form
    11,892.38/16,412.42 = 6,587.69/x
  3. Step 3: Cross multiply
    11,892.38x = 16,412.42 × 6,587.69
  4. Step 4: Simplify right side
    11,892.38x = 108,119,943.20
  5. Step 5: Solve for x
    x = 108,119,943.20/11,892.38
  6. Step 6: Final answer
    x = 9,091.53

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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.