Home / 7,915.51-11,867.73-3,471.04

Finding the Fourth Proportional to 7,915.51, 11,867.73 and 3,471.04

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Solution

The fourth proportional to 7,915.51, 11,867.73 and 3,471.04 is: 5,204.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,915.51 : 11,867.73 = 3,471.04 : x
  2. Step 2: Convert to fraction form
    7,915.51/11,867.73 = 3,471.04/x
  3. Step 3: Cross multiply
    7,915.51x = 11,867.73 × 3,471.04
  4. Step 4: Simplify right side
    7,915.51x = 41,193,365.54
  5. Step 5: Solve for x
    x = 41,193,365.54/7,915.51
  6. Step 6: Final answer
    x = 5,204.13

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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.