Home / 12,072.18-18,110.28-3,750.24

Finding the Fourth Proportional to 12,072.18, 18,110.28 and 3,750.24

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Solution

The fourth proportional to 12,072.18, 18,110.28 and 3,750.24 is: 5,625.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,072.18 : 18,110.28 = 3,750.24 : x
  2. Step 2: Convert to fraction form
    12,072.18/18,110.28 = 3,750.24/x
  3. Step 3: Cross multiply
    12,072.18x = 18,110.28 × 3,750.24
  4. Step 4: Simplify right side
    12,072.18x = 67,917,896.47
  5. Step 5: Solve for x
    x = 67,917,896.47/12,072.18
  6. Step 6: Final answer
    x = 5,625.98

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1.5x scale

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.