Home / 10,106.36-13,845.78-9,727.59

Finding the Fourth Proportional to 10,106.36, 13,845.78 and 9,727.59

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Solution

The fourth proportional to 10,106.36, 13,845.78 and 9,727.59 is: 13,326.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106.36 : 13,845.78 = 9,727.59 : x
  2. Step 2: Convert to fraction form
    10,106.36/13,845.78 = 9,727.59/x
  3. Step 3: Cross multiply
    10,106.36x = 13,845.78 × 9,727.59
  4. Step 4: Simplify right side
    10,106.36x = 134,686,001.84
  5. Step 5: Solve for x
    x = 134,686,001.84/10,106.36
  6. Step 6: Final answer
    x = 13,326.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.