Home / 12,175.13-18,263.34-3,856.03

Finding the Fourth Proportional to 12,175.13, 18,263.34 and 3,856.03

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Solution

The fourth proportional to 12,175.13, 18,263.34 and 3,856.03 is: 5,784.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,175.13 : 18,263.34 = 3,856.03 : x
  2. Step 2: Convert to fraction form
    12,175.13/18,263.34 = 3,856.03/x
  3. Step 3: Cross multiply
    12,175.13x = 18,263.34 × 3,856.03
  4. Step 4: Simplify right side
    12,175.13x = 70,423,986.94
  5. Step 5: Solve for x
    x = 70,423,986.94/12,175.13
  6. Step 6: Final answer
    x = 5,784.25

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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.