Home / 12,175.65-18,254.57-3,851.01

Finding the Fourth Proportional to 12,175.65, 18,254.57 and 3,851.01

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Solution

The fourth proportional to 12,175.65, 18,254.57 and 3,851.01 is: 5,773.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,175.65 : 18,254.57 = 3,851.01 : x
  2. Step 2: Convert to fraction form
    12,175.65/18,254.57 = 3,851.01/x
  3. Step 3: Cross multiply
    12,175.65x = 18,254.57 × 3,851.01
  4. Step 4: Simplify right side
    12,175.65x = 70,298,512.36
  5. Step 5: Solve for x
    x = 70,298,512.36/12,175.65
  6. Step 6: Final answer
    x = 5,773.70

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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.