Home / 10,967.97-15,134.79-6,717.09

Finding the Fourth Proportional to 10,967.97, 15,134.79 and 6,717.09

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Solution

The fourth proportional to 10,967.97, 15,134.79 and 6,717.09 is: 9,268.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,967.97 : 15,134.79 = 6,717.09 : x
  2. Step 2: Convert to fraction form
    10,967.97/15,134.79 = 6,717.09/x
  3. Step 3: Cross multiply
    10,967.97x = 15,134.79 × 6,717.09
  4. Step 4: Simplify right side
    10,967.97x = 101,661,828.51
  5. Step 5: Solve for x
    x = 101,661,828.51/10,967.97
  6. Step 6: Final answer
    x = 9,268.97

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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.