Home / 12,038.10-18,057.66-3,717.92

Finding the Fourth Proportional to 12,038.10, 18,057.66 and 3,717.92

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Solution

The fourth proportional to 12,038.10, 18,057.66 and 3,717.92 is: 5,577.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038.10 : 18,057.66 = 3,717.92 : x
  2. Step 2: Convert to fraction form
    12,038.10/18,057.66 = 3,717.92/x
  3. Step 3: Cross multiply
    12,038.10x = 18,057.66 × 3,717.92
  4. Step 4: Simplify right side
    12,038.10x = 67,136,844.98
  5. Step 5: Solve for x
    x = 67,136,844.98/12,038.10
  6. Step 6: Final answer
    x = 5,577.03

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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.