Home / 12,050.44-18,072.01-7,118.75

Finding the Fourth Proportional to 12,050.44, 18,072.01 and 7,118.75

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Solution

The fourth proportional to 12,050.44, 18,072.01 and 7,118.75 is: 10,675.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,050.44 : 18,072.01 = 7,118.75 : x
  2. Step 2: Convert to fraction form
    12,050.44/18,072.01 = 7,118.75/x
  3. Step 3: Cross multiply
    12,050.44x = 18,072.01 × 7,118.75
  4. Step 4: Simplify right side
    12,050.44x = 128,650,085.59
  5. Step 5: Solve for x
    x = 128,650,085.59/12,050.44
  6. Step 6: Final answer
    x = 10,675.97

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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.