Home / 12,260.44-18,377.89-5,681.22

Finding the Fourth Proportional to 12,260.44, 18,377.89 and 5,681.22

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Solution

The fourth proportional to 12,260.44, 18,377.89 and 5,681.22 is: 8,515.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260.44 : 18,377.89 = 5,681.22 : x
  2. Step 2: Convert to fraction form
    12,260.44/18,377.89 = 5,681.22/x
  3. Step 3: Cross multiply
    12,260.44x = 18,377.89 × 5,681.22
  4. Step 4: Simplify right side
    12,260.44x = 104,408,836.23
  5. Step 5: Solve for x
    x = 104,408,836.23/12,260.44
  6. Step 6: Final answer
    x = 8,515.91

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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.