Home / 8,724.48-13,087.08-2,881.08

Finding the Fourth Proportional to 8,724.48, 13,087.08 and 2,881.08

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Solution

The fourth proportional to 8,724.48, 13,087.08 and 2,881.08 is: 4,321.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.48 : 13,087.08 = 2,881.08 : x
  2. Step 2: Convert to fraction form
    8,724.48/13,087.08 = 2,881.08/x
  3. Step 3: Cross multiply
    8,724.48x = 13,087.08 × 2,881.08
  4. Step 4: Simplify right side
    8,724.48x = 37,704,924.45
  5. Step 5: Solve for x
    x = 37,704,924.45/8,724.48
  6. Step 6: Final answer
    x = 4,321.74

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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.