Home / 8,931.44-13,395.54-3,087.02

Finding the Fourth Proportional to 8,931.44, 13,395.54 and 3,087.02

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Solution

The fourth proportional to 8,931.44, 13,395.54 and 3,087.02 is: 4,629.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931.44 : 13,395.54 = 3,087.02 : x
  2. Step 2: Convert to fraction form
    8,931.44/13,395.54 = 3,087.02/x
  3. Step 3: Cross multiply
    8,931.44x = 13,395.54 × 3,087.02
  4. Step 4: Simplify right side
    8,931.44x = 41,352,299.89
  5. Step 5: Solve for x
    x = 41,352,299.89/8,931.44
  6. Step 6: Final answer
    x = 4,629.97

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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.