Home / 10,936.19-15,091.91-6,220.47

Finding the Fourth Proportional to 10,936.19, 15,091.91 and 6,220.47

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Solution

The fourth proportional to 10,936.19, 15,091.91 and 6,220.47 is: 8,584.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,936.19 : 15,091.91 = 6,220.47 : x
  2. Step 2: Convert to fraction form
    10,936.19/15,091.91 = 6,220.47/x
  3. Step 3: Cross multiply
    10,936.19x = 15,091.91 × 6,220.47
  4. Step 4: Simplify right side
    10,936.19x = 93,878,666.84
  5. Step 5: Solve for x
    x = 93,878,666.84/10,936.19
  6. Step 6: Final answer
    x = 8,584.22

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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.