Home / 11,935.05-17,902.09-4,913.13

Finding the Fourth Proportional to 11,935.05, 17,902.09 and 4,913.13

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Solution

The fourth proportional to 11,935.05, 17,902.09 and 4,913.13 is: 7,369.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,935.05 : 17,902.09 = 4,913.13 : x
  2. Step 2: Convert to fraction form
    11,935.05/17,902.09 = 4,913.13/x
  3. Step 3: Cross multiply
    11,935.05x = 17,902.09 × 4,913.13
  4. Step 4: Simplify right side
    11,935.05x = 87,955,295.44
  5. Step 5: Solve for x
    x = 87,955,295.44/11,935.05
  6. Step 6: Final answer
    x = 7,369.50

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Double scale
Find fourth proportional to 11,936.05, 17,903.59 and 4,914.13
Similar ratio
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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.