Home / 12,176.10-18,264.64-3,856.26

Finding the Fourth Proportional to 12,176.10, 18,264.64 and 3,856.26

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Solution

The fourth proportional to 12,176.10, 18,264.64 and 3,856.26 is: 5,784.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,176.10 : 18,264.64 = 3,856.26 : x
  2. Step 2: Convert to fraction form
    12,176.10/18,264.64 = 3,856.26/x
  3. Step 3: Cross multiply
    12,176.10x = 18,264.64 × 3,856.26
  4. Step 4: Simplify right side
    12,176.10x = 70,433,200.65
  5. Step 5: Solve for x
    x = 70,433,200.65/12,176.10
  6. Step 6: Final answer
    x = 5,784.55

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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.