Home / 12,531.25-18,797.10-5,864.05

Finding the Fourth Proportional to 12,531.25, 18,797.10 and 5,864.05

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Solution

The fourth proportional to 12,531.25, 18,797.10 and 5,864.05 is: 8,796.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.25 : 18,797.10 = 5,864.05 : x
  2. Step 2: Convert to fraction form
    12,531.25/18,797.10 = 5,864.05/x
  3. Step 3: Cross multiply
    12,531.25x = 18,797.10 × 5,864.05
  4. Step 4: Simplify right side
    12,531.25x = 110,227,134.26
  5. Step 5: Solve for x
    x = 110,227,134.26/12,531.25
  6. Step 6: Final answer
    x = 8,796.18

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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.