Home / 10,180-15,272.19-3,159.87

Finding the Fourth Proportional to 10,180, 15,272.19 and 3,159.87

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Solution

The fourth proportional to 10,180, 15,272.19 and 3,159.87 is: 4,740.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,180 : 15,272.19 = 3,159.87 : x
  2. Step 2: Convert to fraction form
    10,180/15,272.19 = 3,159.87/x
  3. Step 3: Cross multiply
    10,180x = 15,272.19 × 3,159.87
  4. Step 4: Simplify right side
    10,180x = 48,258,135.02
  5. Step 5: Solve for x
    x = 48,258,135.02/10,180
  6. Step 6: Final answer
    x = 4,740.48

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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.