Home / 10,084.32-15,117.60-3,924

Finding the Fourth Proportional to 10,084.32, 15,117.60 and 3,924

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Solution

The fourth proportional to 10,084.32, 15,117.60 and 3,924 is: 5,882.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,084.32 : 15,117.60 = 3,924 : x
  2. Step 2: Convert to fraction form
    10,084.32/15,117.60 = 3,924/x
  3. Step 3: Cross multiply
    10,084.32x = 15,117.60 × 3,924
  4. Step 4: Simplify right side
    10,084.32x = 59,321,462.40
  5. Step 5: Solve for x
    x = 59,321,462.40/10,084.32
  6. Step 6: Final answer
    x = 5,882.54

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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.