Home / 11,412.59-17,122.14-6,736.86

Finding the Fourth Proportional to 11,412.59, 17,122.14 and 6,736.86

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Solution

The fourth proportional to 11,412.59, 17,122.14 and 6,736.86 is: 10,107.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,412.59 : 17,122.14 = 6,736.86 : x
  2. Step 2: Convert to fraction form
    11,412.59/17,122.14 = 6,736.86/x
  3. Step 3: Cross multiply
    11,412.59x = 17,122.14 × 6,736.86
  4. Step 4: Simplify right side
    11,412.59x = 115,349,460.08
  5. Step 5: Solve for x
    x = 115,349,460.08/11,412.59
  6. Step 6: Final answer
    x = 10,107.22

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1.5x scale

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.